May 19 10:11:27 gabriel-laptop NetworkManager: <WARN>  nm_signal_handler(): Caught signal 15, shutting down normally. 
May 19 10:11:27 gabriel-laptop NetworkManager: <info>  (eth0): now unmanaged 
May 19 10:11:27 gabriel-laptop NetworkManager: <info>  (eth0): device state change: 8 -> 1 
May 19 10:11:27 gabriel-laptop NetworkManager: <info>  (eth0): deactivating device (reason: 36). 
May 19 10:11:27 gabriel-laptop NetworkManager: <info>  eth0: canceled DHCP transaction, dhcp client pid 5343 
May 19 10:11:27 gabriel-laptop NetworkManager: <WARN>  check_one_route(): (eth0) error -34 returned from rtnl_route_del(): Sucess  
May 19 10:11:27 gabriel-laptop avahi-daemon[2755]: Withdrawing address record for 10.100.4.228 on eth0.
May 19 10:11:27 gabriel-laptop avahi-daemon[2755]: Leaving mDNS multicast group on interface eth0.IPv4 with address 10.100.4.228.
May 19 10:11:27 gabriel-laptop avahi-daemon[2755]: Interface eth0.IPv4 no longer relevant for mDNS.

[I run sudo killall NetworkManager here] 

May 19 10:11:27 gabriel-laptop NetworkManager: <info>  (eth0): cleaning up... 
May 19 10:11:27 gabriel-laptop NetworkManager: <info>  (eth0): taking down device. 
May 19 10:11:27 gabriel-laptop avahi-daemon[2755]: Withdrawing address record for fe80::215:c5ff:fe67:b085 on eth0.
May 19 10:11:27 gabriel-laptop NetworkManager: <info>  Unmanaged Device found; state CONNECTED forced. (see http://bugs.launchpad.net/bugs/191889) 
May 19 10:11:27 gabriel-laptop NetworkManager: <info>  (wlan2): now unmanaged 
May 19 10:11:27 gabriel-laptop NetworkManager: <info>  (wlan2): device state change: 2 -> 1 
May 19 10:11:27 gabriel-laptop NetworkManager: <info>  (wlan2): cleaning up... 
May 19 10:11:27 gabriel-laptop NetworkManager: <info>  Unmanaged Device found; state CONNECTED forced. (see http://bugs.launchpad.net/bugs/191889) 
May 19 10:11:27 gabriel-laptop kernel: [ 1703.280280] b44: eth0: powering down PHY
May 19 10:11:27 gabriel-laptop NetworkManager: <info>  exiting (success) 

[NM finishes exiting]
[I run sudo rmmod ath5k and sudo modprobe ath5k here]

May 19 10:11:58 gabriel-laptop nm-system-settings:    SCPlugin-Ifupdown: devices removed (udi: /org/freedesktop/Hal/devices/net_00_21_63_b5_1c_08)
May 19 10:11:58 gabriel-laptop kernel: [ 1734.077182] ath5k_pci 0000:0c:00.0: PCI INT A disabled
May 19 10:12:12 gabriel-laptop kernel: [ 1748.484382] ath5k_pci 0000:0c:00.0: PCI INT A -> GSI 17 (level, low) -> IRQ 17
May 19 10:12:12 gabriel-laptop kernel: [ 1748.484424] ath5k_pci 0000:0c:00.0: setting latency timer to 64
May 19 10:12:12 gabriel-laptop kernel: [ 1748.485078] ath5k_pci 0000:0c:00.0: registered as 'phy1'
May 19 10:12:12 gabriel-laptop kernel: [ 1748.530187] phy1: Selected rate control algorithm 'pid'
May 19 10:12:12 gabriel-laptop kernel: [ 1748.532363] ath5k phy1: Atheros AR2425 chip found (MAC: 0xe2, PHY: 0x70)
May 19 10:12:12 gabriel-laptop kernel: [ 1748.540644] udev: renamed network interface wlan0 to wlan2
May 19 10:12:12 gabriel-laptop nm-system-settings:    SCPlugin-Ifupdown: device added (udi: /org/freedesktop/Hal/devices/net_00_21_63_b5_1c_08_0, iface: wlan2): not well known
May 19 10:12:22 gabriel-laptop NetworkManager: <info>  starting... 
May 19 10:12:22 gabriel-laptop NetworkManager: <info>  Found radio killswitch /org/freedesktop/Hal/devices/dell_wlan_switch 
May 19 10:12:22 gabriel-laptop NetworkManager: <info>  (eth0): new Ethernet device (driver: 'NULL(info.linux.driver)') 
May 19 10:12:22 gabriel-laptop NetworkManager: <info>  (eth0): exported as /org/freedesktop/Hal/devices/net_00_15_c5_67_b0_85 
May 19 10:12:22 gabriel-laptop NetworkManager: <info>  (wlan2): driver supports SSID scans (scan_capa 0x01). 
May 19 10:12:22 gabriel-laptop NetworkManager: <info>  (wlan2): new 802.11 WiFi device (driver: 'ath5k_pci') 
May 19 10:12:22 gabriel-laptop NetworkManager: <info>  (wlan2): exported as /org/freedesktop/Hal/devices/net_00_21_63_b5_1c_08_0 
May 19 10:12:22 gabriel-laptop NetworkManager: <info>  Unmanaged Device found; state CONNECTED forced. (see http://bugs.launchpad.net/bugs/191889) 
May 19 10:12:22 gabriel-laptop NetworkManager: <info>  Unmanaged Device found; state CONNECTED forced. (see http://bugs.launchpad.net/bugs/191889) 
May 19 10:12:27 gabriel-laptop NetworkManager: <info>  (eth0): device state change: 1 -> 2 
May 19 10:12:27 gabriel-laptop NetworkManager: <info>  (eth0): bringing up device. 
May 19 10:12:27 gabriel-laptop NetworkManager: <info>  (eth0): preparing device. 
May 19 10:12:27 gabriel-laptop NetworkManager: <info>  (eth0): deactivating device (reason: 2). 
May 19 10:12:27 gabriel-laptop NetworkManager: <info>  Unmanaged Device found; state CONNECTED forced. (see http://bugs.launchpad.net/bugs/191889) 
May 19 10:12:27 gabriel-laptop NetworkManager: <info>  (wlan2): device state change: 1 -> 2 
May 19 10:12:27 gabriel-laptop NetworkManager: <info>  (wlan2): bringing up device. 
May 19 10:12:27 gabriel-laptop kernel: [ 1762.896748] ADDRCONF(NETDEV_UP): eth0: link is not ready
May 19 10:12:27 gabriel-laptop NetworkManager: <info>  (wlan2): preparing device. 
May 19 10:12:27 gabriel-laptop NetworkManager: <info>  (wlan2): deactivating device (reason: 2). 
May 19 10:12:27 gabriel-laptop NetworkManager: <info>  (wlan2): device state change: 2 -> 3 
May 19 10:12:27 gabriel-laptop kernel: [ 1762.929647] ADDRCONF(NETDEV_UP): wlan2: link is not ready

[NM connects to my network here, university network, multiple APs, no encryption]

May 19 10:12:27 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant interface state:  starting -> ready 
May 19 10:12:28 gabriel-laptop NetworkManager: <info>  Activation (wlan2) starting connection 'Auto UdeM non securise' 
May 19 10:12:28 gabriel-laptop NetworkManager: <info>  (wlan2): device state change: 3 -> 4 
May 19 10:12:28 gabriel-laptop NetworkManager: <info>  Activation (wlan2) Stage 1 of 5 (Device Prepare) scheduled... 
May 19 10:12:28 gabriel-laptop NetworkManager: <info>  Activation (wlan2) Stage 1 of 5 (Device Prepare) started... 
May 19 10:12:28 gabriel-laptop NetworkManager: <info>  Activation (wlan2) Stage 2 of 5 (Device Configure) scheduled... 
May 19 10:12:28 gabriel-laptop NetworkManager: <info>  Activation (wlan2) Stage 1 of 5 (Device Prepare) complete. 
May 19 10:12:28 gabriel-laptop NetworkManager: <info>  Activation (wlan2) Stage 2 of 5 (Device Configure) starting... 
May 19 10:12:28 gabriel-laptop NetworkManager: <info>  (wlan2): device state change: 4 -> 5 
May 19 10:12:28 gabriel-laptop NetworkManager: <info>  Activation (wlan2/wireless): connection 'Auto UdeM non securise' requires no security.  No secrets needed. 
May 19 10:12:28 gabriel-laptop NetworkManager: <info>  Config: added 'ssid' value 'UdeM non securise' 
May 19 10:12:28 gabriel-laptop NetworkManager: <info>  Config: added 'scan_ssid' value '1' 
May 19 10:12:28 gabriel-laptop NetworkManager: <info>  Config: added 'key_mgmt' value 'NONE' 
May 19 10:12:28 gabriel-laptop NetworkManager: <info>  Activation (wlan2) Stage 2 of 5 (Device Configure) complete. 
May 19 10:12:28 gabriel-laptop NetworkManager: <info>  Config: set interface ap_scan to 1 
May 19 10:12:28 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  scanning -> disconnected 
May 19 10:12:28 gabriel-laptop kernel: [ 1764.796968] wlan2: authenticate with AP 00:14:1b:b7:80:90
May 19 10:12:28 gabriel-laptop kernel: [ 1764.798174] wlan2: authenticated
May 19 10:12:28 gabriel-laptop kernel: [ 1764.798183] wlan2: associate with AP 00:14:1b:b7:80:90
May 19 10:12:28 gabriel-laptop kernel: [ 1764.799854] wlan2: RX AssocResp from 00:14:1b:b7:80:90 (capab=0x421 status=0 aid=137)
May 19 10:12:28 gabriel-laptop kernel: [ 1764.799861] wlan2: associated
May 19 10:12:28 gabriel-laptop kernel: [ 1764.800860] ADDRCONF(NETDEV_CHANGE): wlan2: link becomes ready
May 19 10:12:28 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  disconnected -> associated 
May 19 10:12:28 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  associated -> completed 
May 19 10:12:28 gabriel-laptop NetworkManager: <info>  Activation (wlan2/wireless) Stage 2 of 5 (Device Configure) successful.  Connected to wireless network 'UdeM non securise'. 
May 19 10:12:28 gabriel-laptop NetworkManager: <info>  Activation (wlan2) Stage 3 of 5 (IP Configure Start) scheduled. 
May 19 10:12:28 gabriel-laptop NetworkManager: <info>  Activation (wlan2) Stage 3 of 5 (IP Configure Start) started... 
May 19 10:12:28 gabriel-laptop NetworkManager: <info>  (wlan2): device state change: 5 -> 7 
May 19 10:12:28 gabriel-laptop NetworkManager: <info>  Activation (wlan2) Beginning DHCP transaction. 
May 19 10:12:28 gabriel-laptop NetworkManager: <info>  dhclient started with pid 5826 
May 19 10:12:28 gabriel-laptop dhclient: Internet Systems Consortium DHCP Client V3.1.1
May 19 10:12:28 gabriel-laptop dhclient: Copyright 2004-2008 Internet Systems Consortium.
May 19 10:12:28 gabriel-laptop dhclient: All rights reserved.
May 19 10:12:28 gabriel-laptop dhclient: For info, please visit http://www.isc.org/sw/dhcp/
May 19 10:12:28 gabriel-laptop dhclient: 
May 19 10:12:28 gabriel-laptop dhclient: wmaster0: unknown hardware address type 801
May 19 10:12:28 gabriel-laptop NetworkManager: <info>  Activation (wlan2) Stage 3 of 5 (IP Configure Start) complete. 
May 19 10:12:28 gabriel-laptop dhclient: wmaster0: unknown hardware address type 801
May 19 10:12:28 gabriel-laptop NetworkManager: <info>  DHCP: device wlan2 state changed (null) -> preinit 
May 19 10:12:28 gabriel-laptop dhclient: Listening on LPF/wlan2/00:21:63:b5:1c:08
May 19 10:12:28 gabriel-laptop dhclient: Sending on   LPF/wlan2/00:21:63:b5:1c:08
May 19 10:12:28 gabriel-laptop dhclient: Sending on   Socket/fallback
May 19 10:12:30 gabriel-laptop kernel: [ 1765.988313] b44: eth0: Link is up at 100 Mbps, full duplex.
May 19 10:12:30 gabriel-laptop kernel: [ 1765.988321] b44: eth0: Flow control is off for TX and off for RX.
May 19 10:12:30 gabriel-laptop kernel: [ 1765.988905] ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
May 19 10:12:30 gabriel-laptop NetworkManager: <info>  (eth0): carrier now ON (device state 2) 
May 19 10:12:30 gabriel-laptop NetworkManager: <info>  (eth0): device state change: 2 -> 3 
May 19 10:12:30 gabriel-laptop NetworkManager: <info>  Activation (eth0) starting connection 'Auto eth0' 
May 19 10:12:30 gabriel-laptop NetworkManager: <info>  (eth0): device state change: 3 -> 4 
May 19 10:12:30 gabriel-laptop NetworkManager: <info>  Activation (eth0) Stage 1 of 5 (Device Prepare) scheduled... 
May 19 10:12:30 gabriel-laptop NetworkManager: <info>  Activation (eth0) Stage 1 of 5 (Device Prepare) started... 
May 19 10:12:30 gabriel-laptop NetworkManager: <info>  Activation (eth0) Stage 2 of 5 (Device Configure) scheduled... 
May 19 10:12:30 gabriel-laptop NetworkManager: <info>  Activation (eth0) Stage 1 of 5 (Device Prepare) complete. 
May 19 10:12:30 gabriel-laptop NetworkManager: <info>  Activation (eth0) Stage 2 of 5 (Device Configure) starting... 
May 19 10:12:30 gabriel-laptop NetworkManager: <info>  (eth0): device state change: 4 -> 5 
May 19 10:12:30 gabriel-laptop NetworkManager: <info>  Activation (eth0) Stage 2 of 5 (Device Configure) successful. 
May 19 10:12:30 gabriel-laptop NetworkManager: <info>  Activation (eth0) Stage 3 of 5 (IP Configure Start) scheduled. 
May 19 10:12:30 gabriel-laptop NetworkManager: <info>  Activation (eth0) Stage 2 of 5 (Device Configure) complete. 
May 19 10:12:30 gabriel-laptop NetworkManager: <info>  Activation (eth0) Stage 3 of 5 (IP Configure Start) started... 
May 19 10:12:30 gabriel-laptop NetworkManager: <info>  (eth0): device state change: 5 -> 7 
May 19 10:12:30 gabriel-laptop NetworkManager: <info>  Activation (eth0) Beginning DHCP transaction. 
May 19 10:12:30 gabriel-laptop NetworkManager: <info>  dhclient started with pid 5832 
May 19 10:12:30 gabriel-laptop NetworkManager: <info>  Activation (eth0) Stage 3 of 5 (IP Configure Start) complete. 
May 19 10:12:30 gabriel-laptop dhclient: Internet Systems Consortium DHCP Client V3.1.1
May 19 10:12:30 gabriel-laptop dhclient: Copyright 2004-2008 Internet Systems Consortium.
May 19 10:12:30 gabriel-laptop dhclient: All rights reserved.
May 19 10:12:30 gabriel-laptop dhclient: For info, please visit http://www.isc.org/sw/dhcp/
May 19 10:12:30 gabriel-laptop dhclient: 
May 19 10:12:30 gabriel-laptop dhclient: wmaster0: unknown hardware address type 801
May 19 10:12:30 gabriel-laptop NetworkManager: <info>  DHCP: device eth0 state changed (null) -> preinit 
May 19 10:12:30 gabriel-laptop dhclient: wmaster0: unknown hardware address type 801
May 19 10:12:30 gabriel-laptop dhclient: Listening on LPF/eth0/00:15:c5:67:b0:85
May 19 10:12:30 gabriel-laptop dhclient: Sending on   LPF/eth0/00:15:c5:67:b0:85
May 19 10:12:30 gabriel-laptop dhclient: Sending on   Socket/fallback
May 19 10:12:30 gabriel-laptop dhclient: DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 7
May 19 10:12:30 gabriel-laptop dhclient: DHCPOFFER of 10.100.4.228 from 10.100.2.172
May 19 10:12:30 gabriel-laptop dhclient: DHCPREQUEST of 10.100.4.228 on eth0 to 255.255.255.255 port 67
May 19 10:12:30 gabriel-laptop avahi-daemon[2755]: Registering new address record for fe80::221:63ff:feb5:1c08 on wlan2.*.
May 19 10:12:30 gabriel-laptop dhclient: DHCPACK of 10.100.4.228 from 10.100.2.172
May 19 10:12:30 gabriel-laptop NetworkManager: <info>  DHCP: device eth0 state changed preinit -> bound 
May 19 10:12:30 gabriel-laptop NetworkManager: <info>  Activation (eth0) Stage 4 of 5 (IP Configure Get) scheduled... 
May 19 10:12:30 gabriel-laptop NetworkManager: <info>  Activation (eth0) Stage 4 of 5 (IP Configure Get) started... 
May 19 10:12:30 gabriel-laptop NetworkManager: <info>    address 10.100.4.228 
May 19 10:12:30 gabriel-laptop NetworkManager: <info>    prefix 16 (255.255.0.0) 
May 19 10:12:30 gabriel-laptop NetworkManager: <info>    gateway 10.100.0.2 
May 19 10:12:30 gabriel-laptop NetworkManager: <info>    hostname 'gabriel-laptop' 
May 19 10:12:30 gabriel-laptop NetworkManager: <info>    nameserver '10.100.2.172' 
May 19 10:12:30 gabriel-laptop NetworkManager: <info>    nameserver '10.100.2.196' 
May 19 10:12:30 gabriel-laptop NetworkManager: <info>    nameserver '10.100.2.198' 
May 19 10:12:30 gabriel-laptop NetworkManager: <info>    domain name 'crt.umontreal.ca' 
May 19 10:12:30 gabriel-laptop NetworkManager: <info>    wins '10.100.2.172' 
May 19 10:12:30 gabriel-laptop NetworkManager: <info>  Activation (eth0) Stage 5 of 5 (IP Configure Commit) scheduled... 
May 19 10:12:30 gabriel-laptop NetworkManager: <info>  Activation (eth0) Stage 4 of 5 (IP Configure Get) complete. 
May 19 10:12:30 gabriel-laptop NetworkManager: <info>  Activation (eth0) Stage 5 of 5 (IP Configure Commit) started... 
May 19 10:12:30 gabriel-laptop avahi-daemon[2755]: Joining mDNS multicast group on interface eth0.IPv4 with address 10.100.4.228.
May 19 10:12:30 gabriel-laptop avahi-daemon[2755]: New relevant interface eth0.IPv4 for mDNS.
May 19 10:12:30 gabriel-laptop avahi-daemon[2755]: Registering new address record for 10.100.4.228 on eth0.IPv4.
May 19 10:12:30 gabriel-laptop dhclient: bound to 10.100.4.228 -- renewal in 3545 seconds.
May 19 10:12:31 gabriel-laptop NetworkManager: <info>  (eth0): device state change: 7 -> 8 
May 19 10:12:31 gabriel-laptop NetworkManager: <info>  Policy set 'Auto eth0' (eth0) as default for routing and DNS. 
May 19 10:12:31 gabriel-laptop NetworkManager: <info>  Activation (eth0) successful, device activated. 
May 19 10:12:31 gabriel-laptop NetworkManager: <info>  Activation (eth0) Stage 5 of 5 (IP Configure Commit) complete. 
May 19 10:12:31 gabriel-laptop avahi-daemon[2755]: Registering new address record for fe80::215:c5ff:fe67:b085 on eth0.*.
May 19 10:12:32 gabriel-laptop dhclient: DHCPDISCOVER on wlan2 to 255.255.255.255 port 67 interval 8
May 19 10:12:39 gabriel-laptop kernel: [ 1775.268134] wlan2: no IPv6 routers present
May 19 10:12:39 gabriel-laptop ntpdate[5901]: no server suitable for synchronization found
May 19 10:12:40 gabriel-laptop dhclient: DHCPDISCOVER on wlan2 to 255.255.255.255 port 67 interval 11
May 19 10:12:40 gabriel-laptop kernel: [ 1776.337089] eth0: no IPv6 routers present
May 19 10:12:48 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  completed -> associating 
May 19 10:12:48 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  associating -> disconnected 
May 19 10:12:48 gabriel-laptop kernel: [ 1784.710635] wlan2: authenticate with AP 00:14:1b:b7:80:90
May 19 10:12:48 gabriel-laptop kernel: [ 1784.710688] wlan2: authenticate with AP 00:14:1b:b7:80:90
May 19 10:12:48 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  disconnected -> associated 
May 19 10:12:48 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  associated -> completed 
May 19 10:12:48 gabriel-laptop kernel: [ 1784.712702] wlan2: authenticated
May 19 10:12:48 gabriel-laptop kernel: [ 1784.712712] wlan2: associate with AP 00:14:1b:b7:80:90
May 19 10:12:48 gabriel-laptop kernel: [ 1784.714585] wlan2: RX ReassocResp from 00:14:1b:b7:80:90 (capab=0x421 status=0 aid=139)
May 19 10:12:48 gabriel-laptop kernel: [ 1784.714592] wlan2: associated
May 19 10:12:51 gabriel-laptop dhclient: DHCPDISCOVER on wlan2 to 255.255.255.255 port 67 interval 7
May 19 10:12:51 gabriel-laptop dhclient: DHCPOFFER of 172.20.97.106 from 172.20.96.2
May 19 10:12:51 gabriel-laptop dhclient: DHCPREQUEST of 172.20.97.106 on wlan2 to 255.255.255.255 port 67
May 19 10:12:51 gabriel-laptop dhclient: DHCPACK of 172.20.97.106 from 172.20.96.2
May 19 10:12:51 gabriel-laptop dhclient: bound to 172.20.97.106 -- renewal in 1691 seconds.
May 19 10:12:51 gabriel-laptop NetworkManager: <info>  DHCP: device wlan2 state changed preinit -> bound 
May 19 10:12:51 gabriel-laptop NetworkManager: <info>  Activation (wlan2) Stage 4 of 5 (IP Configure Get) scheduled... 
May 19 10:12:51 gabriel-laptop NetworkManager: <info>  Activation (wlan2) Stage 4 of 5 (IP Configure Get) started... 
May 19 10:12:51 gabriel-laptop NetworkManager: <info>    address 172.20.97.106 
May 19 10:12:51 gabriel-laptop NetworkManager: <info>    prefix 23 (255.255.254.0) 
May 19 10:12:51 gabriel-laptop NetworkManager: <info>    gateway 172.20.96.1 
May 19 10:12:51 gabriel-laptop NetworkManager: <info>    hostname 'gabriel-laptop' 
May 19 10:12:51 gabriel-laptop NetworkManager: <info>    nameserver '132.204.3.31' 
May 19 10:12:51 gabriel-laptop NetworkManager: <info>    nameserver '132.204.3.41' 
May 19 10:12:51 gabriel-laptop NetworkManager: <info>    domain name 'umontreal.ca' 
May 19 10:12:51 gabriel-laptop NetworkManager: nm_ip4_config_add_wins: assertion `wins > 0' failed
May 19 10:12:51 gabriel-laptop NetworkManager: <info>    wins '0.0.0.0' 
May 19 10:12:51 gabriel-laptop NetworkManager: <info>  Activation (wlan2) Stage 5 of 5 (IP Configure Commit) scheduled... 
May 19 10:12:51 gabriel-laptop NetworkManager: <info>  Activation (wlan2) Stage 4 of 5 (IP Configure Get) complete. 
May 19 10:12:51 gabriel-laptop NetworkManager: <info>  Activation (wlan2) Stage 5 of 5 (IP Configure Commit) started... 
May 19 10:12:51 gabriel-laptop avahi-daemon[2755]: Joining mDNS multicast group on interface wlan2.IPv4 with address 172.20.97.106.
May 19 10:12:51 gabriel-laptop avahi-daemon[2755]: New relevant interface wlan2.IPv4 for mDNS.
May 19 10:12:51 gabriel-laptop avahi-daemon[2755]: Registering new address record for 172.20.97.106 on wlan2.IPv4.

[NM finishes connection to my wifi network (Note that I was connected to a ethernet network also at the same time, that network was disconnected]

May 19 10:12:52 gabriel-laptop NetworkManager: <info>  Policy set 'Auto eth0' (eth0) as default for routing and DNS. 
May 19 10:12:52 gabriel-laptop NetworkManager: <info>  (wlan2): device state change: 7 -> 8 
May 19 10:12:52 gabriel-laptop NetworkManager: <debug> [1242742372.403230] periodic_update(): Roamed from BSSID 00:12:44:B8:03:D0 (UdeM non securise) to 00:14:1B:B7:80:90 (UdeM non securise) 
May 19 10:12:52 gabriel-laptop NetworkManager: <info>  Activation (wlan2) successful, device activated. 
May 19 10:12:52 gabriel-laptop NetworkManager: <info>  Activation (wlan2) Stage 5 of 5 (IP Configure Commit) complete. 
May 19 10:12:58 gabriel-laptop ntpdate[5977]: no server suitable for synchronization found
May 19 10:14:23 gabriel-laptop kernel: [ 1878.989141] b44: eth0: Link is down.
May 19 10:14:23 gabriel-laptop NetworkManager: <info>  (eth0): carrier now OFF (device state 8) 
May 19 10:14:23 gabriel-laptop NetworkManager: <info>  (eth0): device state change: 8 -> 2 
May 19 10:14:23 gabriel-laptop NetworkManager: <info>  (eth0): deactivating device (reason: 40). 
May 19 10:14:23 gabriel-laptop NetworkManager: <info>  eth0: canceled DHCP transaction, dhcp client pid 5832 
May 19 10:14:23 gabriel-laptop NetworkManager: <info>  Policy set 'Auto UdeM non securise' (wlan2) as default for routing and DNS. 
May 19 10:14:23 gabriel-laptop avahi-daemon[2755]: Withdrawing address record for 10.100.4.228 on eth0.
May 19 10:14:23 gabriel-laptop avahi-daemon[2755]: Leaving mDNS multicast group on interface eth0.IPv4 with address 10.100.4.228.
May 19 10:14:23 gabriel-laptop avahi-daemon[2755]: Interface eth0.IPv4 no longer relevant for mDNS.
May 19 10:17:01 gabriel-laptop /USR/SBIN/CRON[6144]: (root) CMD (   cd / && run-parts --report /etc/cron.hourly)
May 19 10:20:01 gabriel-laptop /USR/SBIN/CRON[6298]: (root) CMD ([ -x /usr/sbin/update-motd ] && /usr/sbin/update-motd 2>/dev/null)

[Problems start here; the network is automatically disconnected and is unable to reconnect]

May 19 10:25:58 gabriel-laptop kernel: [ 2574.731629] wlan2: deauthenticated
May 19 10:25:58 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  completed -> disconnected 
May 19 10:25:58 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  disconnected -> scanning 
May 19 10:25:59 gabriel-laptop kernel: [ 2575.728161] wlan2: direct probe to AP 00:14:1b:b7:80:90 try 1
May 19 10:25:59 gabriel-laptop kernel: [ 2575.729520] wlan2 direct probe responded
May 19 10:25:59 gabriel-laptop kernel: [ 2575.729531] wlan2: authenticate with AP 00:14:1b:b7:80:90
May 19 10:25:59 gabriel-laptop kernel: [ 2575.730914] wlan2: authenticated
May 19 10:25:59 gabriel-laptop kernel: [ 2575.730925] wlan2: associate with AP 00:14:1b:b7:80:90
May 19 10:25:59 gabriel-laptop kernel: [ 2575.732608] wlan2: RX ReassocResp from 00:14:1b:b7:80:90 (capab=0x421 status=0 aid=143)
May 19 10:25:59 gabriel-laptop kernel: [ 2575.732616] wlan2: associated
May 19 10:25:59 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  scanning -> associated 
May 19 10:25:59 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  associated -> completed 
May 19 10:26:01 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  completed -> disconnected 
May 19 10:26:01 gabriel-laptop kernel: [ 2577.565397] wlan2: deauthenticated
May 19 10:26:01 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  disconnected -> scanning 
May 19 10:26:02 gabriel-laptop kernel: [ 2578.564159] wlan2: direct probe to AP 00:14:1b:b7:80:90 try 1
May 19 10:26:02 gabriel-laptop kernel: [ 2578.565511] wlan2 direct probe responded
May 19 10:26:02 gabriel-laptop kernel: [ 2578.565523] wlan2: authenticate with AP 00:14:1b:b7:80:90
May 19 10:26:02 gabriel-laptop kernel: [ 2578.566773] wlan2: authenticated
May 19 10:26:02 gabriel-laptop kernel: [ 2578.566781] wlan2: associate with AP 00:14:1b:b7:80:90
May 19 10:26:02 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  scanning -> associated 
May 19 10:26:02 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  associated -> completed 
May 19 10:26:02 gabriel-laptop kernel: [ 2578.569280] wlan2: RX ReassocResp from 00:14:1b:b7:80:90 (capab=0x421 status=0 aid=144)
May 19 10:26:02 gabriel-laptop kernel: [ 2578.569288] wlan2: associated
May 19 10:26:03 gabriel-laptop NetworkManager: <debug> [1242743163.000507] periodic_update(): Roamed from BSSID 00:14:1B:B7:80:90 (UdeM non securise) to (none) ((none)) 
May 19 10:26:04 gabriel-laptop kernel: [ 2580.406764] wlan2: deauthenticated
May 19 10:26:04 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  completed -> disconnected 
May 19 10:26:04 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  disconnected -> scanning 
May 19 10:26:05 gabriel-laptop kernel: [ 2581.404148] wlan2: direct probe to AP 00:14:1b:b7:80:90 try 1
May 19 10:26:05 gabriel-laptop kernel: [ 2581.405594] wlan2 direct probe responded
May 19 10:26:05 gabriel-laptop kernel: [ 2581.405606] wlan2: authenticate with AP 00:14:1b:b7:80:90
May 19 10:26:05 gabriel-laptop kernel: [ 2581.407512] wlan2: authenticated
May 19 10:26:05 gabriel-laptop kernel: [ 2581.407523] wlan2: associate with AP 00:14:1b:b7:80:90
May 19 10:26:05 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  scanning -> associated 
May 19 10:26:05 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  associated -> completed 
May 19 10:26:05 gabriel-laptop kernel: [ 2581.409706] wlan2: RX ReassocResp from 00:14:1b:b7:80:90 (capab=0x421 status=0 aid=145)
May 19 10:26:05 gabriel-laptop kernel: [ 2581.409714] wlan2: associated
May 19 10:26:07 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  completed -> disconnected 
May 19 10:26:07 gabriel-laptop kernel: [ 2583.274122] wlan2: deauthenticated
May 19 10:26:07 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  disconnected -> scanning 
May 19 10:26:08 gabriel-laptop kernel: [ 2584.273065] wlan2: direct probe to AP 00:14:1b:b7:80:90 try 1
May 19 10:26:08 gabriel-laptop kernel: [ 2584.274407] wlan2 direct probe responded
May 19 10:26:08 gabriel-laptop kernel: [ 2584.274418] wlan2: authenticate with AP 00:14:1b:b7:80:90
May 19 10:26:08 gabriel-laptop kernel: [ 2584.276410] wlan2: authenticated
May 19 10:26:08 gabriel-laptop kernel: [ 2584.276421] wlan2: associate with AP 00:14:1b:b7:80:90
May 19 10:26:08 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  scanning -> associated 
May 19 10:26:08 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  associated -> completed 
May 19 10:26:08 gabriel-laptop kernel: [ 2584.278198] wlan2: RX ReassocResp from 00:14:1b:b7:80:90 (capab=0x421 status=0 aid=146)
May 19 10:26:08 gabriel-laptop kernel: [ 2584.278205] wlan2: associated
May 19 10:26:10 gabriel-laptop kernel: [ 2586.095198] wlan2: deauthenticated
May 19 10:26:10 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  completed -> disconnected 
May 19 10:26:10 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  disconnected -> scanning 
May 19 10:26:11 gabriel-laptop kernel: [ 2587.093147] wlan2: direct probe to AP 00:14:1b:b7:80:90 try 1
May 19 10:26:11 gabriel-laptop kernel: [ 2587.094584] wlan2 direct probe responded
May 19 10:26:11 gabriel-laptop kernel: [ 2587.094595] wlan2: authenticate with AP 00:14:1b:b7:80:90
May 19 10:26:11 gabriel-laptop kernel: [ 2587.096330] wlan2: authenticated
May 19 10:26:11 gabriel-laptop kernel: [ 2587.096337] wlan2: associate with AP 00:14:1b:b7:80:90
May 19 10:26:11 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  scanning -> associated 
May 19 10:26:11 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  associated -> completed 
May 19 10:26:11 gabriel-laptop kernel: [ 2587.098585] wlan2: RX ReassocResp from 00:14:1b:b7:80:90 (capab=0x421 status=0 aid=147)
May 19 10:26:11 gabriel-laptop kernel: [ 2587.098592] wlan2: associated
May 19 10:26:13 gabriel-laptop kernel: [ 2588.911032] wlan2: deauthenticated
May 19 10:26:13 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  completed -> disconnected 
May 19 10:26:13 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  disconnected -> scanning 
May 19 10:26:14 gabriel-laptop kernel: [ 2589.908060] wlan2: direct probe to AP 00:14:1b:b7:80:90 try 1
May 19 10:26:14 gabriel-laptop kernel: [ 2589.911497] wlan2 direct probe responded
May 19 10:26:14 gabriel-laptop kernel: [ 2589.911509] wlan2: authenticate with AP 00:14:1b:b7:80:90
May 19 10:26:14 gabriel-laptop kernel: [ 2589.912653] wlan2: authenticated
May 19 10:26:14 gabriel-laptop kernel: [ 2589.912664] wlan2: associate with AP 00:14:1b:b7:80:90
May 19 10:26:14 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  scanning -> associated 
May 19 10:26:14 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  associated -> completed 
May 19 10:26:14 gabriel-laptop kernel: [ 2589.914395] wlan2: RX ReassocResp from 00:14:1b:b7:80:90 (capab=0x421 status=0 aid=148)
May 19 10:26:14 gabriel-laptop kernel: [ 2589.914402] wlan2: associated
May 19 10:26:15 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  completed -> disconnected 
May 19 10:26:15 gabriel-laptop kernel: [ 2591.738320] wlan2: deauthenticated
May 19 10:26:15 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  disconnected -> scanning 
May 19 10:26:16 gabriel-laptop kernel: [ 2592.736175] wlan2: direct probe to AP 00:14:1b:b7:80:90 try 1
May 19 10:26:16 gabriel-laptop kernel: [ 2592.737569] wlan2 direct probe responded
May 19 10:26:16 gabriel-laptop kernel: [ 2592.737580] wlan2: authenticate with AP 00:14:1b:b7:80:90
May 19 10:26:16 gabriel-laptop kernel: [ 2592.739559] wlan2: authenticated
May 19 10:26:16 gabriel-laptop kernel: [ 2592.739569] wlan2: associate with AP 00:14:1b:b7:80:90
May 19 10:26:16 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  scanning -> associated 
May 19 10:26:16 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  associated -> completed 
May 19 10:26:16 gabriel-laptop kernel: [ 2592.741666] wlan2: RX ReassocResp from 00:14:1b:b7:80:90 (capab=0x421 status=0 aid=149)
May 19 10:26:16 gabriel-laptop kernel: [ 2592.741675] wlan2: associated
May 19 10:26:18 gabriel-laptop kernel: [ 2594.574355] wlan2: deauthenticated
May 19 10:26:18 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  completed -> disconnected 
May 19 10:26:18 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  disconnected -> scanning 
May 19 10:26:19 gabriel-laptop kernel: [ 2595.572042] wlan2: direct probe to AP 00:14:1b:b7:80:90 try 1
May 19 10:26:19 gabriel-laptop kernel: [ 2595.573358] wlan2 direct probe responded
May 19 10:26:19 gabriel-laptop kernel: [ 2595.573366] wlan2: authenticate with AP 00:14:1b:b7:80:90
May 19 10:26:19 gabriel-laptop kernel: [ 2595.575497] wlan2: authenticated
May 19 10:26:19 gabriel-laptop kernel: [ 2595.575505] wlan2: associate with AP 00:14:1b:b7:80:90
May 19 10:26:19 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  scanning -> associated 
May 19 10:26:19 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  associated -> completed 
May 19 10:26:19 gabriel-laptop kernel: [ 2595.577705] wlan2: RX ReassocResp from 00:14:1b:b7:80:90 (capab=0x421 status=0 aid=150)
May 19 10:26:19 gabriel-laptop kernel: [ 2595.577713] wlan2: associated
May 19 10:26:21 gabriel-laptop kernel: [ 2597.398873] wlan2: deauthenticated
May 19 10:26:21 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  completed -> disconnected 
May 19 10:26:21 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  disconnected -> scanning 
May 19 10:26:22 gabriel-laptop kernel: [ 2598.396064] wlan2: direct probe to AP 00:14:1b:b7:80:90 try 1
May 19 10:26:22 gabriel-laptop kernel: [ 2598.397426] wlan2 direct probe responded
May 19 10:26:22 gabriel-laptop kernel: [ 2598.397437] wlan2: authenticate with AP 00:14:1b:b7:80:90
May 19 10:26:22 gabriel-laptop kernel: [ 2598.399721] wlan2: authenticated
May 19 10:26:22 gabriel-laptop kernel: [ 2598.399732] wlan2: associate with AP 00:14:1b:b7:80:90
May 19 10:26:22 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  scanning -> associated 
May 19 10:26:22 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  associated -> completed 
May 19 10:26:22 gabriel-laptop kernel: [ 2598.401672] wlan2: RX ReassocResp from 00:14:1b:b7:80:90 (capab=0x421 status=0 aid=151)
May 19 10:26:22 gabriel-laptop kernel: [ 2598.401679] wlan2: associated
May 19 10:26:24 gabriel-laptop kernel: [ 2600.222543] wlan2: deauthenticated
May 19 10:26:24 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  completed -> disconnected 
May 19 10:26:24 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  disconnected -> scanning 
May 19 10:26:25 gabriel-laptop kernel: [ 2601.220065] wlan2: direct probe to AP 00:14:1b:b7:80:90 try 1
May 19 10:26:25 gabriel-laptop kernel: [ 2601.221408] wlan2 direct probe responded
May 19 10:26:25 gabriel-laptop kernel: [ 2601.221418] wlan2: authenticate with AP 00:14:1b:b7:80:90
May 19 10:26:25 gabriel-laptop kernel: [ 2601.223471] wlan2: authenticated
May 19 10:26:25 gabriel-laptop kernel: [ 2601.223482] wlan2: associate with AP 00:14:1b:b7:80:90
May 19 10:26:25 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  scanning -> associated 
May 19 10:26:25 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  associated -> completed 
May 19 10:26:25 gabriel-laptop kernel: [ 2601.225762] wlan2: RX ReassocResp from 00:14:1b:b7:80:90 (capab=0x421 status=0 aid=152)
May 19 10:26:25 gabriel-laptop kernel: [ 2601.225771] wlan2: associated
May 19 10:26:27 gabriel-laptop kernel: [ 2603.050767] wlan2: deauthenticated
May 19 10:26:27 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  completed -> disconnected 
May 19 10:26:27 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  disconnected -> scanning 
May 19 10:26:28 gabriel-laptop kernel: [ 2604.048047] wlan2: direct probe to AP 00:14:1b:b7:80:90 try 1
May 19 10:26:28 gabriel-laptop kernel: [ 2604.049362] wlan2 direct probe responded
May 19 10:26:28 gabriel-laptop kernel: [ 2604.049370] wlan2: authenticate with AP 00:14:1b:b7:80:90
May 19 10:26:28 gabriel-laptop kernel: [ 2604.050629] wlan2: authenticated
May 19 10:26:28 gabriel-laptop kernel: [ 2604.050637] wlan2: associate with AP 00:14:1b:b7:80:90
May 19 10:26:28 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  scanning -> associated 
May 19 10:26:28 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  associated -> completed 
May 19 10:26:28 gabriel-laptop kernel: [ 2604.053705] wlan2: RX ReassocResp from 00:14:1b:b7:80:90 (capab=0x421 status=0 aid=153)
May 19 10:26:28 gabriel-laptop kernel: [ 2604.053712] wlan2: associated
May 19 10:26:29 gabriel-laptop kernel: [ 2605.867230] wlan2: deauthenticated
May 19 10:26:29 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  completed -> disconnected 
May 19 10:26:30 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  disconnected -> scanning 
May 19 10:26:30 gabriel-laptop kernel: [ 2606.864158] wlan2: direct probe to AP 00:14:1b:b7:80:90 try 1
May 19 10:26:30 gabriel-laptop kernel: [ 2606.865520] wlan2 direct probe responded
May 19 10:26:30 gabriel-laptop kernel: [ 2606.865533] wlan2: authenticate with AP 00:14:1b:b7:80:90
May 19 10:26:30 gabriel-laptop kernel: [ 2606.867620] wlan2: authenticated
May 19 10:26:30 gabriel-laptop kernel: [ 2606.867631] wlan2: associate with AP 00:14:1b:b7:80:90
May 19 10:26:30 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  scanning -> associated 
May 19 10:26:30 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  associated -> completed 
May 19 10:26:30 gabriel-laptop kernel: [ 2606.869417] wlan2: RX ReassocResp from 00:14:1b:b7:80:90 (capab=0x421 status=0 aid=154)
May 19 10:26:30 gabriel-laptop kernel: [ 2606.869424] wlan2: associated
May 19 10:26:32 gabriel-laptop kernel: [ 2608.682985] wlan2: deauthenticated
May 19 10:26:32 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  completed -> disconnected 
May 19 10:26:32 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  disconnected -> scanning 
May 19 10:26:33 gabriel-laptop kernel: [ 2609.685058] wlan2: direct probe to AP 00:14:1b:b7:80:90 try 1
May 19 10:26:33 gabriel-laptop kernel: [ 2609.885107] wlan2: direct probe to AP 00:14:1b:b7:80:90 try 2
May 19 10:26:33 gabriel-laptop kernel: [ 2609.886556] wlan2 direct probe responded
May 19 10:26:33 gabriel-laptop kernel: [ 2609.886570] wlan2: authenticate with AP 00:14:1b:b7:80:90
May 19 10:26:33 gabriel-laptop kernel: [ 2609.888440] wlan2: authenticated
May 19 10:26:33 gabriel-laptop kernel: [ 2609.888454] wlan2: associate with AP 00:14:1b:b7:80:90
May 19 10:26:33 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  scanning -> associated 
May 19 10:26:34 gabriel-laptop kernel: [ 2609.890225] wlan2: RX ReassocResp from 00:14:1b:b7:80:90 (capab=0x421 status=0 aid=155)
May 19 10:26:34 gabriel-laptop kernel: [ 2609.890232] wlan2: associated
May 19 10:26:34 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  associated -> completed 
May 19 10:26:35 gabriel-laptop NetworkManager: <info>  (wlan2): device state change: 8 -> 3 
May 19 10:26:35 gabriel-laptop NetworkManager: <info>  (wlan2): deactivating device (reason: 0). 
May 19 10:26:35 gabriel-laptop kernel: [ 2611.721342] wlan2: deauthenticated

[I manually connect to the wifi network, seeing that I am no longer connected in NM]

May 19 10:26:35 gabriel-laptop NetworkManager: <info>  wlan2: canceled DHCP transaction, dhcp client pid 5826 
May 19 10:26:35 gabriel-laptop NetworkManager: <WARN>  check_one_route(): (wlan2) error -34 returned from rtnl_route_del(): Sucess  
May 19 10:26:35 gabriel-laptop avahi-daemon[2755]: Withdrawing address record for 172.20.97.106 on wlan2.
May 19 10:26:35 gabriel-laptop avahi-daemon[2755]: Leaving mDNS multicast group on interface wlan2.IPv4 with address 172.20.97.106.
May 19 10:26:35 gabriel-laptop avahi-daemon[2755]: Interface wlan2.IPv4 no longer relevant for mDNS.
May 19 10:26:35 gabriel-laptop kernel: [ 2611.800485] wlan2: authenticate with AP 00:14:1b:b7:80:90
May 19 10:26:35 gabriel-laptop kernel: [ 2611.801624] wlan2: authenticated
May 19 10:26:35 gabriel-laptop kernel: [ 2611.801634] wlan2: associate with AP 00:14:1b:b7:80:90
May 19 10:26:35 gabriel-laptop kernel: [ 2611.803287] wlan2: RX AssocResp from 00:14:1b:b7:80:90 (capab=0x421 status=0 aid=156)
May 19 10:26:35 gabriel-laptop kernel: [ 2611.803294] wlan2: associated
May 19 10:26:35 gabriel-laptop kernel: [ 2611.803744] wlan2: disassociating by local choice (reason=3)
May 19 10:26:35 gabriel-laptop NetworkManager: <info>  Activation (wlan2) starting connection 'Auto UdeM non securise' 
May 19 10:26:35 gabriel-laptop NetworkManager: <info>  (wlan2): device state change: 3 -> 4 
May 19 10:26:35 gabriel-laptop NetworkManager: <info>  Activation (wlan2) Stage 1 of 5 (Device Prepare) scheduled... 
May 19 10:26:35 gabriel-laptop kernel: [ 2611.807996] wlan2: deauthenticated
May 19 10:26:35 gabriel-laptop NetworkManager: <info>  Activation (wlan2) Stage 1 of 5 (Device Prepare) started... 
May 19 10:26:35 gabriel-laptop NetworkManager: <info>  Activation (wlan2) Stage 2 of 5 (Device Configure) scheduled... 
May 19 10:26:35 gabriel-laptop NetworkManager: <info>  Activation (wlan2) Stage 1 of 5 (Device Prepare) complete. 
May 19 10:26:35 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  completed -> disconnected 
May 19 10:26:35 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  disconnected -> associated 
May 19 10:26:35 gabriel-laptop NetworkManager: <info>  Activation (wlan2) Stage 2 of 5 (Device Configure) starting... 
May 19 10:26:35 gabriel-laptop NetworkManager: <info>  (wlan2): device state change: 4 -> 5 
May 19 10:26:35 gabriel-laptop NetworkManager: <info>  Activation (wlan2/wireless): connection 'Auto UdeM non securise' requires no security.  No secrets needed. 
May 19 10:26:35 gabriel-laptop NetworkManager: <info>  Config: added 'ssid' value 'UdeM non securise' 
May 19 10:26:35 gabriel-laptop NetworkManager: <info>  Config: added 'scan_ssid' value '1' 
May 19 10:26:35 gabriel-laptop NetworkManager: <info>  Config: added 'key_mgmt' value 'NONE' 
May 19 10:26:35 gabriel-laptop NetworkManager: <info>  Activation (wlan2) Stage 2 of 5 (Device Configure) complete. 
May 19 10:26:35 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  associated -> disconnected 
May 19 10:26:35 gabriel-laptop NetworkManager: <info>  Config: set interface ap_scan to 1 
May 19 10:26:35 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  disconnected -> scanning 
May 19 10:26:37 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  scanning -> associating 
May 19 10:26:37 gabriel-laptop kernel: [ 2613.658216] wlan2: authenticate with AP 00:14:1b:b7:80:90
May 19 10:26:37 gabriel-laptop kernel: [ 2613.659468] wlan2: authenticated
May 19 10:26:37 gabriel-laptop kernel: [ 2613.659478] wlan2: associate with AP 00:14:1b:b7:80:90
May 19 10:26:37 gabriel-laptop kernel: [ 2613.661141] wlan2: RX ReassocResp from 00:14:1b:b7:80:90 (capab=0x421 status=0 aid=157)
May 19 10:26:37 gabriel-laptop kernel: [ 2613.661154] wlan2: associated
May 19 10:26:37 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  associating -> associated 
May 19 10:26:37 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  associated -> completed 
May 19 10:26:37 gabriel-laptop NetworkManager: <info>  Activation (wlan2/wireless) Stage 2 of 5 (Device Configure) successful.  Connected to wireless network 'UdeM non securise'. 
May 19 10:26:37 gabriel-laptop NetworkManager: <info>  Activation (wlan2) Stage 3 of 5 (IP Configure Start) scheduled. 
May 19 10:26:37 gabriel-laptop NetworkManager: <info>  Activation (wlan2) Stage 3 of 5 (IP Configure Start) started... 
May 19 10:26:37 gabriel-laptop NetworkManager: <info>  (wlan2): device state change: 5 -> 7 
May 19 10:26:37 gabriel-laptop NetworkManager: <info>  Activation (wlan2) Beginning DHCP transaction. 
May 19 10:26:37 gabriel-laptop NetworkManager: <info>  dhclient started with pid 6652 
May 19 10:26:37 gabriel-laptop NetworkManager: <info>  Activation (wlan2) Stage 3 of 5 (IP Configure Start) complete. 
May 19 10:26:37 gabriel-laptop dhclient: Internet Systems Consortium DHCP Client V3.1.1
May 19 10:26:37 gabriel-laptop dhclient: Copyright 2004-2008 Internet Systems Consortium.
May 19 10:26:37 gabriel-laptop dhclient: All rights reserved.
May 19 10:26:37 gabriel-laptop dhclient: For info, please visit http://www.isc.org/sw/dhcp/
May 19 10:26:37 gabriel-laptop dhclient: 
May 19 10:26:37 gabriel-laptop dhclient: wmaster0: unknown hardware address type 801
May 19 10:26:37 gabriel-laptop NetworkManager: <info>  DHCP: device wlan2 state changed normal exit -> preinit 
May 19 10:26:37 gabriel-laptop dhclient: wmaster0: unknown hardware address type 801
May 19 10:26:37 gabriel-laptop dhclient: Listening on LPF/wlan2/00:21:63:b5:1c:08
May 19 10:26:37 gabriel-laptop dhclient: Sending on   LPF/wlan2/00:21:63:b5:1c:08
May 19 10:26:37 gabriel-laptop dhclient: Sending on   Socket/fallback
May 19 10:26:40 gabriel-laptop dhclient: DHCPDISCOVER on wlan2 to 255.255.255.255 port 67 interval 6
May 19 10:26:40 gabriel-laptop dhclient: DHCPOFFER of 172.20.97.106 from 172.20.96.2
May 19 10:26:40 gabriel-laptop dhclient: DHCPREQUEST of 172.20.97.106 on wlan2 to 255.255.255.255 port 67
May 19 10:26:40 gabriel-laptop dhclient: DHCPACK of 172.20.97.106 from 172.20.96.2
May 19 10:26:40 gabriel-laptop dhclient: bound to 172.20.97.106 -- renewal in 1711 seconds.
May 19 10:26:40 gabriel-laptop NetworkManager: <info>  DHCP: device wlan2 state changed preinit -> bound 
May 19 10:26:40 gabriel-laptop NetworkManager: <info>  Activation (wlan2) Stage 4 of 5 (IP Configure Get) scheduled... 
May 19 10:26:40 gabriel-laptop NetworkManager: <info>  Activation (wlan2) Stage 4 of 5 (IP Configure Get) started... 
May 19 10:26:40 gabriel-laptop NetworkManager: <info>    address 172.20.97.106 
May 19 10:26:40 gabriel-laptop NetworkManager: <info>    prefix 23 (255.255.254.0) 
May 19 10:26:40 gabriel-laptop NetworkManager: <info>    gateway 172.20.96.1 
May 19 10:26:40 gabriel-laptop NetworkManager: <info>    hostname 'gabriel-laptop' 
May 19 10:26:40 gabriel-laptop NetworkManager: <info>    nameserver '132.204.3.31' 
May 19 10:26:40 gabriel-laptop NetworkManager: <info>    nameserver '132.204.3.41' 
May 19 10:26:40 gabriel-laptop NetworkManager: <info>    domain name 'umontreal.ca' 
May 19 10:26:40 gabriel-laptop NetworkManager: nm_ip4_config_add_wins: assertion `wins > 0' failed
May 19 10:26:40 gabriel-laptop NetworkManager: <info>    wins '0.0.0.0' 
May 19 10:26:40 gabriel-laptop NetworkManager: <info>  Activation (wlan2) Stage 5 of 5 (IP Configure Commit) scheduled... 
May 19 10:26:40 gabriel-laptop NetworkManager: <info>  Activation (wlan2) Stage 4 of 5 (IP Configure Get) complete. 
May 19 10:26:40 gabriel-laptop NetworkManager: <info>  Activation (wlan2) Stage 5 of 5 (IP Configure Commit) started... 
May 19 10:26:40 gabriel-laptop avahi-daemon[2755]: Joining mDNS multicast group on interface wlan2.IPv4 with address 172.20.97.106.
May 19 10:26:40 gabriel-laptop avahi-daemon[2755]: New relevant interface wlan2.IPv4 for mDNS.
May 19 10:26:40 gabriel-laptop avahi-daemon[2755]: Registering new address record for 172.20.97.106 on wlan2.IPv4.
May 19 10:26:41 gabriel-laptop NetworkManager: <info>  (wlan2): device state change: 7 -> 8 
May 19 10:26:41 gabriel-laptop NetworkManager: <info>  Policy set 'Auto UdeM non securise' (wlan2) as default for routing and DNS. 
May 19 10:26:41 gabriel-laptop NetworkManager: <info>  Activation (wlan2) successful, device activated. 
May 19 10:26:41 gabriel-laptop NetworkManager: <info>  Activation (wlan2) Stage 5 of 5 (IP Configure Commit) complete.

[NM finishes connecting, a few minutes later, all goes wrong again]

May 19 10:26:45 gabriel-laptop ntpdate[6715]: no server suitable for synchronization found
May 19 10:28:23 gabriel-laptop kernel: [ 2719.706653] wlan2: deauthenticated
May 19 10:28:23 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  completed -> disconnected 
May 19 10:28:23 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  disconnected -> scanning 
May 19 10:28:24 gabriel-laptop kernel: [ 2720.704139] wlan2: direct probe to AP 00:14:1b:b7:80:90 try 1
May 19 10:28:24 gabriel-laptop kernel: [ 2720.706291] wlan2 direct probe responded
May 19 10:28:24 gabriel-laptop kernel: [ 2720.706303] wlan2: authenticate with AP 00:14:1b:b7:80:90
May 19 10:28:24 gabriel-laptop kernel: [ 2720.707573] wlan2: authenticated
May 19 10:28:24 gabriel-laptop kernel: [ 2720.707584] wlan2: associate with AP 00:14:1b:b7:80:90
May 19 10:28:24 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  scanning -> associated 
May 19 10:28:24 gabriel-laptop kernel: [ 2720.709841] wlan2: RX ReassocResp from 00:14:1b:b7:80:90 (capab=0x421 status=0 aid=159)
May 19 10:28:24 gabriel-laptop kernel: [ 2720.709850] wlan2: associated
May 19 10:28:24 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  associated -> completed 
May 19 10:28:26 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  completed -> disconnected 
May 19 10:28:26 gabriel-laptop kernel: [ 2722.521028] wlan2: deauthenticated
May 19 10:28:26 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  disconnected -> scanning 
May 19 10:28:27 gabriel-laptop kernel: [ 2723.520162] wlan2: direct probe to AP 00:14:1b:b7:80:90 try 1
May 19 10:28:27 gabriel-laptop kernel: [ 2723.521599] wlan2 direct probe responded
May 19 10:28:27 gabriel-laptop kernel: [ 2723.521610] wlan2: authenticate with AP 00:14:1b:b7:80:90
May 19 10:28:27 gabriel-laptop kernel: [ 2723.523604] wlan2: authenticated
May 19 10:28:27 gabriel-laptop kernel: [ 2723.523615] wlan2: associate with AP 00:14:1b:b7:80:90
May 19 10:28:27 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  scanning -> associated 
May 19 10:28:27 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  associated -> completed 
May 19 10:28:27 gabriel-laptop kernel: [ 2723.525764] wlan2: RX ReassocResp from 00:14:1b:b7:80:90 (capab=0x421 status=0 aid=160)
May 19 10:28:27 gabriel-laptop kernel: [ 2723.525772] wlan2: associated
May 19 10:28:29 gabriel-laptop kernel: [ 2725.338588] wlan2: deauthenticated
May 19 10:28:29 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  completed -> disconnected 
May 19 10:28:29 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  disconnected -> scanning 
May 19 10:28:30 gabriel-laptop kernel: [ 2726.336197] wlan2: direct probe to AP 00:14:1b:b7:80:90 try 1
May 19 10:28:30 gabriel-laptop kernel: [ 2726.337585] wlan2 direct probe responded
May 19 10:28:30 gabriel-laptop kernel: [ 2726.337596] wlan2: authenticate with AP 00:14:1b:b7:80:90
May 19 10:28:30 gabriel-laptop kernel: [ 2726.339646] wlan2: authenticated
May 19 10:28:30 gabriel-laptop kernel: [ 2726.339657] wlan2: associate with AP 00:14:1b:b7:80:90
May 19 10:28:30 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  scanning -> associated 
May 19 10:28:30 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  associated -> completed 
May 19 10:28:30 gabriel-laptop kernel: [ 2726.341769] wlan2: RX ReassocResp from 00:14:1b:b7:80:90 (capab=0x421 status=0 aid=161)
May 19 10:28:30 gabriel-laptop kernel: [ 2726.341778] wlan2: associated
May 19 10:28:32 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  completed -> disconnected 
May 19 10:28:32 gabriel-laptop kernel: [ 2728.158247] wlan2: deauthenticated
May 19 10:28:32 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  disconnected -> scanning 
May 19 10:28:33 gabriel-laptop kernel: [ 2729.156187] wlan2: direct probe to AP 00:14:1b:b7:80:90 try 1
May 19 10:28:33 gabriel-laptop kernel: [ 2729.157605] wlan2 direct probe responded
May 19 10:28:33 gabriel-laptop kernel: [ 2729.157616] wlan2: authenticate with AP 00:14:1b:b7:80:90
May 19 10:28:33 gabriel-laptop kernel: [ 2729.158903] wlan2: authenticated
May 19 10:28:33 gabriel-laptop kernel: [ 2729.158914] wlan2: associate with AP 00:14:1b:b7:80:90
May 19 10:28:33 gabriel-laptop kernel: [ 2729.161073] wlan2: RX ReassocResp from 00:14:1b:b7:80:90 (capab=0x421 status=0 aid=162)
May 19 10:28:33 gabriel-laptop kernel: [ 2729.161082] wlan2: associated
May 19 10:28:33 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  scanning -> associated 
May 19 10:28:33 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  associated -> completed 
May 19 10:28:35 gabriel-laptop kernel: [ 2730.975383] wlan2: deauthenticated
May 19 10:28:35 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  completed -> disconnected 
May 19 10:28:35 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  disconnected -> scanning 
May 19 10:28:36 gabriel-laptop kernel: [ 2731.972148] wlan2: direct probe to AP 00:14:1b:b7:80:90 try 1
May 19 10:28:36 gabriel-laptop kernel: [ 2731.973561] wlan2 direct probe responded
May 19 10:28:36 gabriel-laptop kernel: [ 2731.973573] wlan2: authenticate with AP 00:14:1b:b7:80:90
May 19 10:28:36 gabriel-laptop kernel: [ 2731.975642] wlan2: authenticated
May 19 10:28:36 gabriel-laptop kernel: [ 2731.975653] wlan2: associate with AP 00:14:1b:b7:80:90
May 19 10:28:36 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  scanning -> associated 
May 19 10:28:36 gabriel-laptop kernel: [ 2731.977836] wlan2: RX ReassocResp from 00:14:1b:b7:80:90 (capab=0x421 status=0 aid=163)
May 19 10:28:36 gabriel-laptop kernel: [ 2731.977845] wlan2: associated
May 19 10:28:36 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  associated -> completed 
May 19 10:28:37 gabriel-laptop kernel: [ 2733.790182] wlan2: deauthenticated
May 19 10:28:37 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  completed -> disconnected 
May 19 10:28:37 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  disconnected -> scanning 
May 19 10:28:38 gabriel-laptop kernel: [ 2734.788135] wlan2: direct probe to AP 00:14:1b:b7:80:90 try 1
May 19 10:28:38 gabriel-laptop kernel: [ 2734.789576] wlan2 direct probe responded
May 19 10:28:38 gabriel-laptop kernel: [ 2734.789587] wlan2: authenticate with AP 00:14:1b:b7:80:90
May 19 10:28:38 gabriel-laptop kernel: [ 2734.791554] wlan2: authenticated
May 19 10:28:38 gabriel-laptop kernel: [ 2734.791565] wlan2: associate with AP 00:14:1b:b7:80:90
May 19 10:28:38 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  scanning -> associated 
May 19 10:28:38 gabriel-laptop kernel: [ 2734.793719] wlan2: RX ReassocResp from 00:14:1b:b7:80:90 (capab=0x421 status=0 aid=164)
May 19 10:28:38 gabriel-laptop kernel: [ 2734.793727] wlan2: associated
May 19 10:28:38 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  associated -> completed 
May 19 10:28:39 gabriel-laptop NetworkManager: <debug> [1242743319.000559] periodic_update(): Roamed from BSSID 00:14:1B:B7:80:90 (UdeM non securise) to (none) ((none)) 
May 19 10:28:40 gabriel-laptop kernel: [ 2736.607188] wlan2: deauthenticated
May 19 10:28:40 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  completed -> disconnected 
May 19 10:28:40 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  disconnected -> scanning 
May 19 10:28:41 gabriel-laptop kernel: [ 2737.604196] wlan2: direct probe to AP 00:14:1b:b7:80:90 try 1
May 19 10:28:41 gabriel-laptop kernel: [ 2737.605635] wlan2 direct probe responded
May 19 10:28:41 gabriel-laptop kernel: [ 2737.605646] wlan2: authenticate with AP 00:14:1b:b7:80:90
May 19 10:28:41 gabriel-laptop kernel: [ 2737.606870] wlan2: authenticated
May 19 10:28:41 gabriel-laptop kernel: [ 2737.606881] wlan2: associate with AP 00:14:1b:b7:80:90
May 19 10:28:41 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  scanning -> associated 
May 19 10:28:41 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  associated -> completed 
May 19 10:28:41 gabriel-laptop kernel: [ 2737.609818] wlan2: RX ReassocResp from 00:14:1b:b7:80:90 (capab=0x421 status=0 aid=165)
May 19 10:28:41 gabriel-laptop kernel: [ 2737.609827] wlan2: associated
May 19 10:28:43 gabriel-laptop kernel: [ 2739.422232] wlan2: deauthenticated
May 19 10:28:43 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  completed -> disconnected 
May 19 10:28:43 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  disconnected -> scanning 
May 19 10:28:44 gabriel-laptop kernel: [ 2740.420490] wlan2: direct probe to AP 00:14:1b:b7:80:90 try 1
May 19 10:28:44 gabriel-laptop kernel: [ 2740.421830] wlan2 direct probe responded
May 19 10:28:44 gabriel-laptop kernel: [ 2740.421839] wlan2: authenticate with AP 00:14:1b:b7:80:90
May 19 10:28:44 gabriel-laptop kernel: [ 2740.423873] wlan2: authenticated
May 19 10:28:44 gabriel-laptop kernel: [ 2740.423881] wlan2: associate with AP 00:14:1b:b7:80:90
May 19 10:28:44 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  scanning -> associated 
May 19 10:28:44 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  associated -> completed 
May 19 10:28:44 gabriel-laptop kernel: [ 2740.425615] wlan2: RX ReassocResp from 00:14:1b:b7:80:90 (capab=0x421 status=0 aid=166)
May 19 10:28:44 gabriel-laptop kernel: [ 2740.425622] wlan2: associated
May 19 10:28:46 gabriel-laptop kernel: [ 2742.234591] wlan2: deauthenticated
May 19 10:28:46 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  completed -> disconnected 
May 19 10:28:46 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  disconnected -> scanning 
May 19 10:28:47 gabriel-laptop kernel: [ 2743.232137] wlan2: direct probe to AP 00:14:1b:b7:80:90 try 1
May 19 10:28:47 gabriel-laptop kernel: [ 2743.233939] wlan2 direct probe responded
May 19 10:28:47 gabriel-laptop kernel: [ 2743.233950] wlan2: authenticate with AP 00:14:1b:b7:80:90
May 19 10:28:47 gabriel-laptop kernel: [ 2743.235115] wlan2: authenticated
May 19 10:28:47 gabriel-laptop kernel: [ 2743.235126] wlan2: associate with AP 00:14:1b:b7:80:90
May 19 10:28:47 gabriel-laptop kernel: [ 2743.237084] wlan2: RX ReassocResp from 00:14:1b:b7:80:90 (capab=0x421 status=0 aid=167)
May 19 10:28:47 gabriel-laptop kernel: [ 2743.237092] wlan2: associated
May 19 10:28:47 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  scanning -> associated 
May 19 10:28:47 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  associated -> completed 
May 19 10:28:49 gabriel-laptop kernel: [ 2745.050135] wlan2: deauthenticated
May 19 10:28:49 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  completed -> disconnected 
May 19 10:28:49 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  disconnected -> scanning 
May 19 10:28:50 gabriel-laptop kernel: [ 2746.048106] wlan2: direct probe to AP 00:14:1b:b7:80:90 try 1
May 19 10:28:50 gabriel-laptop kernel: [ 2746.049450] wlan2 direct probe responded
May 19 10:28:50 gabriel-laptop kernel: [ 2746.049459] wlan2: authenticate with AP 00:14:1b:b7:80:90
May 19 10:28:50 gabriel-laptop kernel: [ 2746.051437] wlan2: authenticated
May 19 10:28:50 gabriel-laptop kernel: [ 2746.051444] wlan2: associate with AP 00:14:1b:b7:80:90
May 19 10:28:50 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  scanning -> associated 
May 19 10:28:50 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  associated -> completed 
May 19 10:28:50 gabriel-laptop kernel: [ 2746.053404] wlan2: RX ReassocResp from 00:14:1b:b7:80:90 (capab=0x421 status=0 aid=168)
May 19 10:28:50 gabriel-laptop kernel: [ 2746.053411] wlan2: associated
May 19 10:28:51 gabriel-laptop kernel: [ 2747.867542] wlan2: deauthenticated
May 19 10:28:51 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  completed -> disconnected 
May 19 10:28:52 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  disconnected -> scanning 
May 19 10:28:52 gabriel-laptop kernel: [ 2748.864142] wlan2: direct probe to AP 00:14:1b:b7:80:90 try 1
May 19 10:28:52 gabriel-laptop kernel: [ 2748.865553] wlan2 direct probe responded
May 19 10:28:52 gabriel-laptop kernel: [ 2748.865566] wlan2: authenticate with AP 00:14:1b:b7:80:90
May 19 10:28:52 gabriel-laptop kernel: [ 2748.867621] wlan2: authenticated
May 19 10:28:52 gabriel-laptop kernel: [ 2748.867632] wlan2: associate with AP 00:14:1b:b7:80:90
May 19 10:28:52 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  scanning -> associated 
May 19 10:28:52 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  associated -> completed 
May 19 10:28:52 gabriel-laptop kernel: [ 2748.869354] wlan2: RX ReassocResp from 00:14:1b:b7:80:90 (capab=0x421 status=0 aid=169)
May 19 10:28:52 gabriel-laptop kernel: [ 2748.869361] wlan2: associated
May 19 10:28:54 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  completed -> disconnected 
May 19 10:28:54 gabriel-laptop kernel: [ 2750.686276] wlan2: deauthenticated
May 19 10:28:54 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  disconnected -> scanning 
May 19 10:28:55 gabriel-laptop kernel: [ 2751.684199] wlan2: direct probe to AP 00:14:1b:b7:80:90 try 1
May 19 10:28:55 gabriel-laptop kernel: [ 2751.686336] wlan2 direct probe responded
May 19 10:28:55 gabriel-laptop kernel: [ 2751.686347] wlan2: authenticate with AP 00:14:1b:b7:80:90
May 19 10:28:55 gabriel-laptop kernel: [ 2751.687633] wlan2: authenticated
May 19 10:28:55 gabriel-laptop kernel: [ 2751.687644] wlan2: associate with AP 00:14:1b:b7:80:90
May 19 10:28:55 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  scanning -> associated 
May 19 10:28:55 gabriel-laptop kernel: [ 2751.689385] wlan2: RX ReassocResp from 00:14:1b:b7:80:90 (capab=0x421 status=0 aid=170)
May 19 10:28:55 gabriel-laptop kernel: [ 2751.689393] wlan2: associated
May 19 10:28:55 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  associated -> completed 
May 19 10:28:57 gabriel-laptop kernel: [ 2753.506701] wlan2: deauthenticated
May 19 10:28:57 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  completed -> disconnected 
May 19 10:28:57 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  disconnected -> scanning 
May 19 10:28:58 gabriel-laptop kernel: [ 2754.505063] wlan2: direct probe to AP 00:14:1b:b7:80:90 try 1
May 19 10:28:58 gabriel-laptop kernel: [ 2754.506399] wlan2 direct probe responded
May 19 10:28:58 gabriel-laptop kernel: [ 2754.506406] wlan2: authenticate with AP 00:14:1b:b7:80:90
May 19 10:28:58 gabriel-laptop kernel: [ 2754.508419] wlan2: authenticated
May 19 10:28:58 gabriel-laptop kernel: [ 2754.508428] wlan2: associate with AP 00:14:1b:b7:80:90
May 19 10:28:58 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  scanning -> associated 
May 19 10:28:58 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  associated -> completed 
May 19 10:28:58 gabriel-laptop kernel: [ 2754.510501] wlan2: RX ReassocResp from 00:14:1b:b7:80:90 (capab=0x421 status=0 aid=171)
May 19 10:28:58 gabriel-laptop kernel: [ 2754.510508] wlan2: associated
May 19 10:29:00 gabriel-laptop kernel: [ 2756.328054] wlan2: deauthenticated
May 19 10:29:00 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  completed -> disconnected 
May 19 10:29:00 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  disconnected -> scanning 
May 19 10:29:01 gabriel-laptop kernel: [ 2757.329152] wlan2: direct probe to AP 00:14:1b:b7:80:90 try 1
May 19 10:29:01 gabriel-laptop kernel: [ 2757.330538] wlan2 direct probe responded
May 19 10:29:01 gabriel-laptop kernel: [ 2757.330551] wlan2: authenticate with AP 00:14:1b:b7:80:90
May 19 10:29:01 gabriel-laptop kernel: [ 2757.331847] wlan2: authenticated
May 19 10:29:01 gabriel-laptop kernel: [ 2757.331858] wlan2: associate with AP 00:14:1b:b7:80:90
May 19 10:29:01 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  scanning -> associated 
May 19 10:29:01 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  associated -> completed 
May 19 10:29:01 gabriel-laptop kernel: [ 2757.333527] wlan2: RX ReassocResp from 00:14:1b:b7:80:90 (capab=0x421 status=0 aid=172)
May 19 10:29:01 gabriel-laptop kernel: [ 2757.333534] wlan2: associated
May 19 10:29:01 gabriel-laptop NetworkManager: <info>  (wlan2): device state change: 8 -> 3 
May 19 10:29:01 gabriel-laptop NetworkManager: <info>  (wlan2): deactivating device (reason: 0). 

[I reconnect manually once more]

May 19 10:29:01 gabriel-laptop NetworkManager: <info>  wlan2: canceled DHCP transaction, dhcp client pid 6652 
May 19 10:29:01 gabriel-laptop NetworkManager: <WARN>  check_one_route(): (wlan2) error -34 returned from rtnl_route_del(): Sucess  
May 19 10:29:01 gabriel-laptop avahi-daemon[2755]: Withdrawing address record for 172.20.97.106 on wlan2.
May 19 10:29:01 gabriel-laptop avahi-daemon[2755]: Leaving mDNS multicast group on interface wlan2.IPv4 with address 172.20.97.106.
May 19 10:29:01 gabriel-laptop kernel: [ 2757.666710] wlan2: disassociating by local choice (reason=3)
May 19 10:29:01 gabriel-laptop avahi-daemon[2755]: Interface wlan2.IPv4 no longer relevant for mDNS.
May 19 10:29:01 gabriel-laptop NetworkManager: <info>  Activation (wlan2) starting connection 'Auto UdeM non securise' 
May 19 10:29:01 gabriel-laptop NetworkManager: <info>  (wlan2): device state change: 3 -> 4 
May 19 10:29:01 gabriel-laptop NetworkManager: <info>  Activation (wlan2) Stage 1 of 5 (Device Prepare) scheduled... 
May 19 10:29:01 gabriel-laptop NetworkManager: <info>  Activation (wlan2) Stage 1 of 5 (Device Prepare) started... 
May 19 10:29:01 gabriel-laptop NetworkManager: <info>  Activation (wlan2) Stage 2 of 5 (Device Configure) scheduled... 
May 19 10:29:01 gabriel-laptop NetworkManager: <info>  Activation (wlan2) Stage 1 of 5 (Device Prepare) complete. 
May 19 10:29:01 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  completed -> disconnected 
May 19 10:29:01 gabriel-laptop NetworkManager: <info>  Activation (wlan2) Stage 2 of 5 (Device Configure) starting... 
May 19 10:29:01 gabriel-laptop NetworkManager: <info>  (wlan2): device state change: 4 -> 5 
May 19 10:29:01 gabriel-laptop NetworkManager: <info>  Activation (wlan2/wireless): connection 'Auto UdeM non securise' requires no security.  No secrets needed. 
May 19 10:29:01 gabriel-laptop NetworkManager: <info>  Config: added 'ssid' value 'UdeM non securise' 
May 19 10:29:01 gabriel-laptop NetworkManager: <info>  Config: added 'scan_ssid' value '1' 
May 19 10:29:01 gabriel-laptop NetworkManager: <info>  Config: added 'key_mgmt' value 'NONE' 
May 19 10:29:01 gabriel-laptop NetworkManager: <info>  Activation (wlan2) Stage 2 of 5 (Device Configure) complete. 
May 19 10:29:01 gabriel-laptop NetworkManager: <info>  Config: set interface ap_scan to 1 
May 19 10:29:01 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  disconnected -> scanning 
May 19 10:29:03 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  scanning -> associating 
May 19 10:29:03 gabriel-laptop kernel: [ 2759.205737] wlan2: authenticate with AP 00:14:1b:b7:80:90
May 19 10:29:03 gabriel-laptop kernel: [ 2759.205792] wlan2: authenticate with AP 00:14:1b:b7:80:90
May 19 10:29:03 gabriel-laptop kernel: [ 2759.207242] wlan2: authenticated
May 19 10:29:03 gabriel-laptop kernel: [ 2759.207252] wlan2: associate with AP 00:14:1b:b7:80:90
May 19 10:29:03 gabriel-laptop kernel: [ 2759.210414] wlan2: RX AssocResp from 00:14:1b:b7:80:90 (capab=0x421 status=0 aid=173)
May 19 10:29:03 gabriel-laptop kernel: [ 2759.210422] wlan2: associated
May 19 10:29:03 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  associating -> associated 
May 19 10:29:03 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  associated -> completed 
May 19 10:29:03 gabriel-laptop NetworkManager: <info>  Activation (wlan2/wireless) Stage 2 of 5 (Device Configure) successful.  Connected to wireless network 'UdeM non securise'. 
May 19 10:29:03 gabriel-laptop NetworkManager: <info>  Activation (wlan2) Stage 3 of 5 (IP Configure Start) scheduled. 
May 19 10:29:03 gabriel-laptop NetworkManager: <info>  Activation (wlan2) Stage 3 of 5 (IP Configure Start) started... 
May 19 10:29:03 gabriel-laptop NetworkManager: <info>  (wlan2): device state change: 5 -> 7 
May 19 10:29:03 gabriel-laptop NetworkManager: <info>  Activation (wlan2) Beginning DHCP transaction. 
May 19 10:29:03 gabriel-laptop dhclient: Internet Systems Consortium DHCP Client V3.1.1
May 19 10:29:03 gabriel-laptop dhclient: Copyright 2004-2008 Internet Systems Consortium.
May 19 10:29:03 gabriel-laptop dhclient: All rights reserved.
May 19 10:29:03 gabriel-laptop dhclient: For info, please visit http://www.isc.org/sw/dhcp/
May 19 10:29:03 gabriel-laptop dhclient: 
May 19 10:29:03 gabriel-laptop kernel: [ 2759.217521] wlan2: authenticate with AP 00:14:1b:b7:80:90
May 19 10:29:03 gabriel-laptop dhclient: wmaster0: unknown hardware address type 801
May 19 10:29:03 gabriel-laptop kernel: [ 2759.225267] wlan2: authenticated
May 19 10:29:03 gabriel-laptop kernel: [ 2759.225278] wlan2: associate with AP 00:14:1b:b7:80:90
May 19 10:29:03 gabriel-laptop kernel: [ 2759.226938] wlan2: RX ReassocResp from 00:14:1b:b7:80:90 (capab=0x421 status=0 aid=174)
May 19 10:29:03 gabriel-laptop kernel: [ 2759.226945] wlan2: associated
May 19 10:29:03 gabriel-laptop NetworkManager: <info>  dhclient started with pid 6805 
May 19 10:29:03 gabriel-laptop NetworkManager: <info>  Activation (wlan2) Stage 3 of 5 (IP Configure Start) complete. 
May 19 10:29:03 gabriel-laptop NetworkManager: <info>  DHCP: device wlan2 state changed normal exit -> preinit 
May 19 10:29:03 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  completed -> disconnected 
May 19 10:29:03 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  disconnected -> associated 
May 19 10:29:03 gabriel-laptop NetworkManager: <info>  (wlan2): supplicant connection state:  associated -> completed 
May 19 10:29:03 gabriel-laptop dhclient: wmaster0: unknown hardware address type 801
May 19 10:29:03 gabriel-laptop dhclient: Listening on LPF/wlan2/00:21:63:b5:1c:08
May 19 10:29:03 gabriel-laptop dhclient: Sending on   LPF/wlan2/00:21:63:b5:1c:08
May 19 10:29:03 gabriel-laptop dhclient: Sending on   Socket/fallback
May 19 10:29:07 gabriel-laptop dhclient: DHCPDISCOVER on wlan2 to 255.255.255.255 port 67 interval 3
May 19 10:29:07 gabriel-laptop dhclient: DHCPOFFER of 172.20.97.106 from 172.20.96.2
May 19 10:29:07 gabriel-laptop dhclient: DHCPREQUEST of 172.20.97.106 on wlan2 to 255.255.255.255 port 67
May 19 10:29:07 gabriel-laptop dhclient: DHCPACK of 172.20.97.106 from 172.20.96.2
May 19 10:29:07 gabriel-laptop dhclient: bound to 172.20.97.106 -- renewal in 1581 seconds.
May 19 10:29:07 gabriel-laptop NetworkManager: <info>  DHCP: device wlan2 state changed preinit -> bound 
May 19 10:29:07 gabriel-laptop NetworkManager: <info>  Activation (wlan2) Stage 4 of 5 (IP Configure Get) scheduled... 
May 19 10:29:07 gabriel-laptop NetworkManager: <info>  Activation (wlan2) Stage 4 of 5 (IP Configure Get) started... 
May 19 10:29:07 gabriel-laptop NetworkManager: <info>    address 172.20.97.106 
May 19 10:29:07 gabriel-laptop NetworkManager: <info>    prefix 23 (255.255.254.0) 
May 19 10:29:07 gabriel-laptop NetworkManager: <info>    gateway 172.20.96.1 
May 19 10:29:07 gabriel-laptop NetworkManager: <info>    hostname 'gabriel-laptop' 
May 19 10:29:07 gabriel-laptop NetworkManager: <info>    nameserver '132.204.3.31' 
May 19 10:29:07 gabriel-laptop NetworkManager: <info>    nameserver '132.204.3.41' 
May 19 10:29:07 gabriel-laptop NetworkManager: <info>    domain name 'umontreal.ca' 
May 19 10:29:07 gabriel-laptop NetworkManager: nm_ip4_config_add_wins: assertion `wins > 0' failed
May 19 10:29:07 gabriel-laptop NetworkManager: <info>    wins '0.0.0.0' 
May 19 10:29:07 gabriel-laptop NetworkManager: <info>  Activation (wlan2) Stage 5 of 5 (IP Configure Commit) scheduled... 
May 19 10:29:07 gabriel-laptop NetworkManager: <info>  Activation (wlan2) Stage 4 of 5 (IP Configure Get) complete. 
May 19 10:29:07 gabriel-laptop NetworkManager: <info>  Activation (wlan2) Stage 5 of 5 (IP Configure Commit) started... 
May 19 10:29:07 gabriel-laptop avahi-daemon[2755]: Joining mDNS multicast group on interface wlan2.IPv4 with address 172.20.97.106.
May 19 10:29:07 gabriel-laptop avahi-daemon[2755]: New relevant interface wlan2.IPv4 for mDNS.
May 19 10:29:07 gabriel-laptop avahi-daemon[2755]: Registering new address record for 172.20.97.106 on wlan2.IPv4.
May 19 10:29:08 gabriel-laptop NetworkManager: <info>  (wlan2): device state change: 7 -> 8 
May 19 10:29:08 gabriel-laptop NetworkManager: <info>  Policy set 'Auto UdeM non securise' (wlan2) as default for routing and DNS. 
May 19 10:29:08 gabriel-laptop NetworkManager: <info>  Activation (wlan2) successful, device activated. 
May 19 10:29:08 gabriel-laptop NetworkManager: <info>  Activation (wlan2) Stage 5 of 5 (IP Configure Commit) complete. 
May 19 10:29:13 gabriel-laptop ntpdate[6868]: no server suitable for synchronization found