First connection attempt with default settings: Apr 15 11:18:39 ubuntu NetworkManager[1745]: user_connection_updated_cb: assertion `old_connection != NULL' failed Apr 15 11:18:39 ubuntu NetworkManager[1745]: Activation (wlan0) starting connection 'Auto IPv6demo' Apr 15 11:18:39 ubuntu NetworkManager[1745]: (wlan0): device state change: 3 -> 4 (reason 0) Apr 15 11:18:39 ubuntu NetworkManager[1745]: Activation (wlan0) Stage 1 of 5 (Device Prepare) scheduled... Apr 15 11:18:39 ubuntu NetworkManager[1745]: Activation (wlan0) Stage 1 of 5 (Device Prepare) started... Apr 15 11:18:39 ubuntu NetworkManager[1745]: Activation (wlan0) Stage 2 of 5 (Device Configure) scheduled... Apr 15 11:18:39 ubuntu NetworkManager[1745]: Activation (wlan0) Stage 1 of 5 (Device Prepare) complete. Apr 15 11:18:39 ubuntu NetworkManager[1745]: Activation (wlan0) Stage 2 of 5 (Device Configure) starting... Apr 15 11:18:39 ubuntu NetworkManager[1745]: (wlan0): device state change: 4 -> 5 (reason 0) Apr 15 11:18:39 ubuntu NetworkManager[1745]: Activation (wlan0/wireless): connection 'Auto IPv6demo' requires no security. No secrets needed. Apr 15 11:18:39 ubuntu NetworkManager[1745]: Config: added 'ssid' value 'IPv6demo' Apr 15 11:18:39 ubuntu NetworkManager[1745]: Config: added 'mode' value '1' Apr 15 11:18:39 ubuntu NetworkManager[1745]: Config: added 'key_mgmt' value 'NONE' Apr 15 11:18:39 ubuntu NetworkManager[1745]: Activation (wlan0) Stage 2 of 5 (Device Configure) complete. Apr 15 11:18:39 ubuntu NetworkManager[1745]: Config: set interface ap_scan to 2 Apr 15 11:18:39 ubuntu wpa_supplicant[2056]: Trying to associate with SSID 'IPv6demo' Apr 15 11:18:39 ubuntu NetworkManager[1745]: (wlan0): supplicant connection state: inactive -> scanning Apr 15 11:18:39 ubuntu NetworkManager[1745]: (wlan0): supplicant connection state: scanning -> associating Apr 15 11:18:39 ubuntu NetworkManager[1745]: (wlan0): device state change: 5 -> 3 (reason 0) Apr 15 11:18:39 ubuntu NetworkManager[1745]: (wlan0): deactivating device (reason: 0). Apr 15 11:18:39 ubuntu wpa_supplicant[2056]: Association request to the driver failed Apr 15 11:18:39 ubuntu kernel: [ 683.483987] wlan0: Trigger new scan to find an IBSS to join Apr 15 11:18:39 ubuntu kernel: [ 683.485494] ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready Apr 15 11:18:39 ubuntu kernel: [ 683.485909] iwlagn 0000:02:00.0: failed to remove IBSS station 00:00:00:00:00:00 Apr 15 11:18:39 ubuntu NetworkManager[1745]: Activation (wlan0) starting connection 'Auto IPv6demo' Apr 15 11:18:39 ubuntu NetworkManager[1745]: (wlan0): device state change: 3 -> 4 (reason 0) Apr 15 11:18:39 ubuntu NetworkManager[1745]: Activation (wlan0) Stage 1 of 5 (Device Prepare) scheduled... Apr 15 11:18:39 ubuntu NetworkManager[1745]: Activation (wlan0) Stage 1 of 5 (Device Prepare) started... Apr 15 11:18:39 ubuntu NetworkManager[1745]: Activation (wlan0) Stage 2 of 5 (Device Configure) scheduled... Apr 15 11:18:39 ubuntu NetworkManager[1745]: Activation (wlan0) Stage 1 of 5 (Device Prepare) complete. Apr 15 11:18:39 ubuntu NetworkManager[1745]: (wlan0): supplicant connection state: associating -> disconnected Apr 15 11:18:39 ubuntu NetworkManager[1745]: Activation (wlan0) Stage 2 of 5 (Device Configure) starting... Apr 15 11:18:39 ubuntu NetworkManager[1745]: (wlan0): device state change: 4 -> 5 (reason 0) Apr 15 11:18:39 ubuntu NetworkManager[1745]: Activation (wlan0/wireless): connection 'Auto IPv6demo' requires no security. No secrets needed. Apr 15 11:18:39 ubuntu NetworkManager[1745]: Config: added 'ssid' value 'IPv6demo' Apr 15 11:18:39 ubuntu NetworkManager[1745]: Config: added 'mode' value '1' Apr 15 11:18:39 ubuntu NetworkManager[1745]: Config: added 'key_mgmt' value 'NONE' Apr 15 11:18:39 ubuntu NetworkManager[1745]: Activation (wlan0) Stage 2 of 5 (Device Configure) complete. Apr 15 11:18:39 ubuntu NetworkManager[1745]: Config: set interface ap_scan to 2 Apr 15 11:18:39 ubuntu wpa_supplicant[2056]: Trying to associate with SSID 'IPv6demo' Apr 15 11:18:39 ubuntu NetworkManager[1745]: (wlan0): supplicant connection state: disconnected -> scanning Apr 15 11:18:39 ubuntu NetworkManager[1745]: (wlan0): supplicant connection state: scanning -> associating Apr 15 11:18:39 ubuntu wpa_supplicant[2056]: Association request to the driver failed Apr 15 11:18:39 ubuntu kernel: [ 683.662322] wlan0: Trigger new scan to find an IBSS to join Apr 15 11:18:41 ubuntu avahi-daemon[1549]: Joining mDNS multicast group on interface wlan0.IPv6 with address fe80::223:14ff:fe80:1900. Apr 15 11:18:41 ubuntu avahi-daemon[1549]: New relevant interface wlan0.IPv6 for mDNS. Apr 15 11:18:41 ubuntu avahi-daemon[1549]: Registering new address record for fe80::223:14ff:fe80:1900 on wlan0.*. Apr 15 11:18:43 ubuntu kernel: [ 686.866360] wlan0: Selected IBSS BSSID 22:5b:67:ff:c8:ad based on configured SSID Apr 15 11:18:43 ubuntu wpa_supplicant[2056]: Associated with 22:5b:67:ff:c8:ad Apr 15 11:18:43 ubuntu wpa_supplicant[2056]: CTRL-EVENT-CONNECTED - Connection to 22:5b:67:ff:c8:ad completed (auth) [id=0 id_str=] Apr 15 11:18:43 ubuntu NetworkManager[1745]: (wlan0): supplicant connection state: associating -> associated Apr 15 11:18:43 ubuntu NetworkManager[1745]: (wlan0): supplicant connection state: associated -> completed Apr 15 11:18:43 ubuntu NetworkManager[1745]: Activation (wlan0/wireless) Stage 2 of 5 (Device Configure) successful. Connected to wireless network 'IPv6demo'. Apr 15 11:18:43 ubuntu NetworkManager[1745]: Activation (wlan0) Stage 3 of 5 (IP Configure Start) scheduled. Apr 15 11:18:43 ubuntu NetworkManager[1745]: Activation (wlan0) Stage 3 of 5 (IP Configure Start) started... Apr 15 11:18:43 ubuntu NetworkManager[1745]: (wlan0): device state change: 5 -> 7 (reason 0) Apr 15 11:18:43 ubuntu NetworkManager[1745]: Activation (wlan0) Beginning DHCPv4 transaction (timeout in 45 seconds) Apr 15 11:18:43 ubuntu kernel: [ 686.952912] iwlagn 0000:02:00.0: Unable to find TIM Element in beacon Apr 15 11:18:43 ubuntu kernel: [ 686.953876] iwlagn 0000:02:00.0: Unable to find TIM Element in beacon Apr 15 11:18:43 ubuntu NetworkManager[1745]: dhclient started with pid 5785 Apr 15 11:18:43 ubuntu NetworkManager[1745]: Activation (wlan0) Stage 3 of 5 (IP Configure Start) complete. Apr 15 11:18:43 ubuntu dhclient: Internet Systems Consortium DHCP Client 4.1.1-P1 Apr 15 11:18:43 ubuntu dhclient: Copyright 2004-2010 Internet Systems Consortium. Apr 15 11:18:43 ubuntu dhclient: All rights reserved. Apr 15 11:18:43 ubuntu dhclient: For info, please visit https://www.isc.org/software/dhcp/ Apr 15 11:18:43 ubuntu dhclient: Apr 15 11:18:43 ubuntu NetworkManager[1745]: (wlan0): DHCPv4 state changed nbi -> preinit Apr 15 11:18:43 ubuntu dhclient: Listening on LPF/wlan0/00:23:14:80:19:00 Apr 15 11:18:43 ubuntu dhclient: Sending on LPF/wlan0/00:23:14:80:19:00 Apr 15 11:18:43 ubuntu dhclient: Sending on Socket/fallback Apr 15 11:18:43 ubuntu dhclient: DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 3 Apr 15 11:18:46 ubuntu dhclient: DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 5 Apr 15 11:18:47 ubuntu avahi-daemon[1549]: Leaving mDNS multicast group on interface wlan0.IPv6 with address fe80::223:14ff:fe80:1900. Apr 15 11:18:47 ubuntu avahi-daemon[1549]: Joining mDNS multicast group on interface wlan0.IPv6 with address 2001:16d8:eeb2:0:223:14ff:fe80:1900. Apr 15 11:18:47 ubuntu avahi-daemon[1549]: Registering new address record for 2001:16d8:eeb2:0:223:14ff:fe80:1900 on wlan0.*. Apr 15 11:18:47 ubuntu avahi-daemon[1549]: Withdrawing address record for fe80::223:14ff:fe80:1900 on wlan0. Apr 15 11:18:51 ubuntu dhclient: DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 7 Apr 15 11:18:58 ubuntu dhclient: DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 19 Apr 15 11:19:17 ubuntu dhclient: DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 12 Apr 15 11:19:28 ubuntu NetworkManager[1745]: (wlan0): DHCPv4 request timed out. Apr 15 11:19:28 ubuntu NetworkManager[1745]: (wlan0): canceled DHCP transaction, DHCP client pid 5785 Apr 15 11:19:28 ubuntu NetworkManager[1745]: Activation (wlan0) Stage 4 of 5 (IP4 Configure Timeout) scheduled... Apr 15 11:19:28 ubuntu NetworkManager[1745]: Activation (wlan0) Stage 4 of 5 (IP4 Configure Timeout) started... Apr 15 11:19:28 ubuntu NetworkManager[1745]: Activation (wlan0) Stage 5 of 5 (IP Configure Commit) scheduled... Apr 15 11:19:28 ubuntu NetworkManager[1745]: Activation (wlan0) Stage 4 of 5 (IP4 Configure Timeout) complete. Apr 15 11:19:28 ubuntu NetworkManager[1745]: Activation (wlan0) Stage 5 of 5 (IP Configure Commit) started... Apr 15 11:19:28 ubuntu NetworkManager[1745]: Activation (wlan0) Stage 5 of 5 (IP Configure Commit) failed (no IP configuration found) Apr 15 11:19:28 ubuntu NetworkManager[1745]: (wlan0): device state change: 7 -> 9 (reason 5) Apr 15 11:19:28 ubuntu NetworkManager[1745]: Activation (wlan0) failed for access point (IPv6demo) Apr 15 11:19:28 ubuntu NetworkManager[1745]: Marking connection 'Auto IPv6demo' invalid. Apr 15 11:19:28 ubuntu NetworkManager[1745]: Activation (wlan0) failed. Apr 15 11:19:28 ubuntu NetworkManager[1745]: Activation (wlan0) Stage 5 of 5 (IP Configure Commit) complete. Apr 15 11:19:28 ubuntu NetworkManager[1745]: (wlan0): device state change: 9 -> 3 (reason 0) Apr 15 11:19:28 ubuntu NetworkManager[1745]: (wlan0): deactivating device (reason: 0). Second connection attempt with modified settings: Apr 15 11:21:27 ubuntu NetworkManager[1745]: Activation (wlan0) starting connection 'Auto IPv6demo' Apr 15 11:21:27 ubuntu NetworkManager[1745]: (wlan0): device state change: 3 -> 4 (reason 0) Apr 15 11:21:27 ubuntu NetworkManager[1745]: Activation (wlan0) Stage 1 of 5 (Device Prepare) scheduled... Apr 15 11:21:27 ubuntu NetworkManager[1745]: Activation (wlan0) Stage 1 of 5 (Device Prepare) started... Apr 15 11:21:27 ubuntu NetworkManager[1745]: Activation (wlan0) Stage 2 of 5 (Device Configure) scheduled... Apr 15 11:21:27 ubuntu NetworkManager[1745]: Activation (wlan0) Stage 1 of 5 (Device Prepare) complete. Apr 15 11:21:27 ubuntu NetworkManager[1745]: Activation (wlan0) Stage 2 of 5 (Device Configure) starting... Apr 15 11:21:27 ubuntu NetworkManager[1745]: (wlan0): device state change: 4 -> 5 (reason 0) Apr 15 11:21:27 ubuntu NetworkManager[1745]: Activation (wlan0/wireless): connection 'Auto IPv6demo' requires no security. No secrets needed. Apr 15 11:21:27 ubuntu NetworkManager[1745]: Config: added 'ssid' value 'IPv6demo' Apr 15 11:21:27 ubuntu NetworkManager[1745]: Config: added 'mode' value '1' Apr 15 11:21:27 ubuntu NetworkManager[1745]: Config: added 'key_mgmt' value 'NONE' Apr 15 11:21:27 ubuntu NetworkManager[1745]: Activation (wlan0) Stage 2 of 5 (Device Configure) complete. Apr 15 11:21:27 ubuntu NetworkManager[1745]: Config: set interface ap_scan to 2 Apr 15 11:21:27 ubuntu NetworkManager[1745]: (wlan0): supplicant connection state: scanning -> disconnected Apr 15 11:21:27 ubuntu wpa_supplicant[2056]: Trying to associate with SSID 'IPv6demo' Apr 15 11:21:27 ubuntu NetworkManager[1745]: (wlan0): supplicant connection state: disconnected -> scanning Apr 15 11:21:27 ubuntu NetworkManager[1745]: (wlan0): supplicant connection state: scanning -> associating Apr 15 11:21:27 ubuntu wpa_supplicant[2056]: Association request to the driver failed Apr 15 11:21:27 ubuntu kernel: [ 850.411377] wlan0: Selected IBSS BSSID 22:5b:67:ff:c8:ad based on configured SSID Apr 15 11:21:27 ubuntu wpa_supplicant[2056]: Associated with 22:5b:67:ff:c8:ad Apr 15 11:21:27 ubuntu wpa_supplicant[2056]: CTRL-EVENT-CONNECTED - Connection to 22:5b:67:ff:c8:ad completed (reauth) [id=0 id_str=] Apr 15 11:21:27 ubuntu NetworkManager[1745]: (wlan0): supplicant connection state: associating -> associated Apr 15 11:21:27 ubuntu NetworkManager[1745]: (wlan0): supplicant connection state: associated -> completed Apr 15 11:21:27 ubuntu NetworkManager[1745]: Activation (wlan0/wireless) Stage 2 of 5 (Device Configure) successful. Connected to wireless network 'IPv6demo'. Apr 15 11:21:27 ubuntu NetworkManager[1745]: Activation (wlan0) Stage 3 of 5 (IP Configure Start) scheduled. Apr 15 11:21:27 ubuntu NetworkManager[1745]: Activation (wlan0) Stage 3 of 5 (IP Configure Start) started... Apr 15 11:21:27 ubuntu NetworkManager[1745]: (wlan0): device state change: 5 -> 7 (reason 0) Apr 15 11:21:27 ubuntu NetworkManager[1745]: Activation (wlan0) Beginning DHCPv4 transaction (timeout in 45 seconds) Apr 15 11:21:27 ubuntu NetworkManager[1745]: dhclient started with pid 5802 Apr 15 11:21:27 ubuntu NetworkManager[1745]: Activation (wlan0) Beginning IP6 addrconf. Apr 15 11:21:27 ubuntu avahi-daemon[1549]: Withdrawing address record for 2001:16d8:eeb2:0:223:14ff:fe80:1900 on wlan0. Apr 15 11:21:27 ubuntu avahi-daemon[1549]: Leaving mDNS multicast group on interface wlan0.IPv6 with address 2001:16d8:eeb2:0:223:14ff:fe80:1900. Apr 15 11:21:27 ubuntu avahi-daemon[1549]: Joining mDNS multicast group on interface wlan0.IPv6 with address fe80::223:14ff:fe80:1900. Apr 15 11:21:27 ubuntu avahi-daemon[1549]: Registering new address record for fe80::223:14ff:fe80:1900 on wlan0.*. Apr 15 11:21:27 ubuntu avahi-daemon[1549]: Withdrawing address record for fe80::223:14ff:fe80:1900 on wlan0. Apr 15 11:21:27 ubuntu avahi-daemon[1549]: Leaving mDNS multicast group on interface wlan0.IPv6 with address fe80::223:14ff:fe80:1900. Apr 15 11:21:27 ubuntu avahi-daemon[1549]: Interface wlan0.IPv6 no longer relevant for mDNS. Apr 15 11:21:27 ubuntu NetworkManager[1745]: Activation (wlan0) Stage 3 of 5 (IP Configure Start) complete. Apr 15 11:21:27 ubuntu kernel: [ 850.471485] iwlagn 0000:02:00.0: Unable to find TIM Element in beacon Apr 15 11:21:27 ubuntu NetworkManager[1745]: Activation (wlan0) Stage 4 of 5 (IP6 Configure Get) scheduled... Apr 15 11:21:27 ubuntu kernel: [ 850.472569] iwlagn 0000:02:00.0: Unable to find TIM Element in beacon Apr 15 11:21:27 ubuntu NetworkManager[1745]: Activation (wlan0) Stage 4 of 5 (IP6 Configure Get) started... Apr 15 11:21:27 ubuntu kernel: [ 850.472710] wlan0: No active IBSS STAs - trying to scan for other IBSS networks with same SSID (merge) Apr 15 11:21:27 ubuntu NetworkManager[1745]: Activation (wlan0) Stage 4 of 5 (IP6 Configure Get) complete. Apr 15 11:21:27 ubuntu dhclient: Internet Systems Consortium DHCP Client 4.1.1-P1 Apr 15 11:21:27 ubuntu dhclient: Copyright 2004-2010 Internet Systems Consortium. Apr 15 11:21:27 ubuntu dhclient: All rights reserved. Apr 15 11:21:27 ubuntu dhclient: For info, please visit https://www.isc.org/software/dhcp/ Apr 15 11:21:27 ubuntu dhclient: Apr 15 11:21:27 ubuntu NetworkManager[1745]: (wlan0): DHCPv4 state changed nbi -> preinit Apr 15 11:21:27 ubuntu dhclient: Listening on LPF/wlan0/00:23:14:80:19:00 Apr 15 11:21:27 ubuntu dhclient: Sending on LPF/wlan0/00:23:14:80:19:00 Apr 15 11:21:27 ubuntu dhclient: Sending on Socket/fallback Apr 15 11:21:27 ubuntu dhclient: DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 3 Apr 15 11:21:28 ubuntu avahi-daemon[1549]: Joining mDNS multicast group on interface wlan0.IPv6 with address fe80::223:14ff:fe80:1900. Apr 15 11:21:28 ubuntu avahi-daemon[1549]: New relevant interface wlan0.IPv6 for mDNS. Apr 15 11:21:28 ubuntu avahi-daemon[1549]: Registering new address record for fe80::223:14ff:fe80:1900 on wlan0.*. Apr 15 11:21:28 ubuntu NetworkManager[1745]: Activation (wlan0) Stage 4 of 5 (IP6 Configure Get) scheduled... Apr 15 11:21:28 ubuntu NetworkManager[1745]: Activation (wlan0) Stage 4 of 5 (IP6 Configure Get) started... Apr 15 11:21:28 ubuntu NetworkManager[1745]: Activation (wlan0) Stage 4 of 5 (IP6 Configure Get) complete. Apr 15 11:21:29 ubuntu avahi-daemon[1549]: Leaving mDNS multicast group on interface wlan0.IPv6 with address fe80::223:14ff:fe80:1900. Apr 15 11:21:29 ubuntu avahi-daemon[1549]: Joining mDNS multicast group on interface wlan0.IPv6 with address 2001:16d8:eeb2:0:223:14ff:fe80:1900. Apr 15 11:21:29 ubuntu avahi-daemon[1549]: Registering new address record for 2001:16d8:eeb2:0:223:14ff:fe80:1900 on wlan0.*. Apr 15 11:21:29 ubuntu avahi-daemon[1549]: Withdrawing address record for fe80::223:14ff:fe80:1900 on wlan0. Apr 15 11:21:30 ubuntu dhclient: DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 5 Apr 15 11:21:35 ubuntu dhclient: DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 8 Apr 15 11:21:43 ubuntu dhclient: DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 11 Apr 15 11:21:54 ubuntu dhclient: DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 16 Apr 15 11:22:02 ubuntu kernel: [ 885.584152] wlan0: No active IBSS STAs - trying to scan for other IBSS networks with same SSID (merge) Apr 15 11:22:10 ubuntu dhclient: DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 15 Apr 15 11:22:12 ubuntu NetworkManager[1745]: (wlan0): DHCPv4 request timed out. Apr 15 11:22:12 ubuntu NetworkManager[1745]: (wlan0): canceled DHCP transaction, DHCP client pid 5802 Apr 15 11:22:12 ubuntu NetworkManager[1745]: Activation (wlan0) Stage 4 of 5 (IP4 Configure Timeout) scheduled... Apr 15 11:22:12 ubuntu NetworkManager[1745]: Activation (wlan0) Stage 4 of 5 (IP4 Configure Timeout) started... Apr 15 11:22:12 ubuntu NetworkManager[1745]: Activation (wlan0) Stage 5 of 5 (IP Configure Commit) scheduled... Apr 15 11:22:12 ubuntu NetworkManager[1745]: Activation (wlan0) Stage 4 of 5 (IP4 Configure Timeout) complete. Apr 15 11:22:12 ubuntu NetworkManager[1745]: Activation (wlan0) Stage 5 of 5 (IP Configure Commit) started... Apr 15 11:22:13 ubuntu NetworkManager[1745]: (wlan0): device state change: 7 -> 8 (reason 0) Apr 15 11:22:13 ubuntu NetworkManager[1745]: Policy set 'Auto IPv6demo' (wlan0) as default for IPv6 routing and DNS. Apr 15 11:22:13 ubuntu NetworkManager[1745]: Activation (wlan0) successful, device activated. Apr 15 11:22:13 ubuntu NetworkManager[1745]: Activation (wlan0) Stage 5 of 5 (IP Configure Commit) complete. Apr 15 09:22:20 ubuntu ntpdate[5846]: step time server 64:ff9b::5bbd:5e04 offset -7204.143028 sec