[ 5.754942] vboxdrv: module verification failed: signature and/or required key missing - tainting kernel [ 5.757390] vboxdrv: Found 4 processor cores. [ 5.757724] vboxdrv: fAsync=0 offMin=0x14d offMax=0x109c [ 5.757797] vboxdrv: TSC mode is 'synchronous', kernel timer mode is 'normal'. [ 5.757799] vboxdrv: Successfully loaded version 4.3.36_Ubuntu (interface 0x001a000b). [ 5.773666] vboxpci: IOMMU not found (not registered) [ 5.945172] init: plymouth-upstart-bridge main process ended, respawning [ 9.123916] audit_printk_skb: 69 callbacks suppressed [ 9.123920] type=1400 audit(1481904365.434:34): apparmor="DENIED" operation="file_lock" profile="/usr/share/hplip/systray.py" name="/etc/xdg/Trolltech.conf" pid=1994 comm="python" requested_mask="k" denied_mask="k" fsuid=1000 ouid=0 [ 9.295219] type=1400 audit(1481904365.606:35): apparmor="DENIED" operation="file_lock" profile="/usr/share/hplip/systray.py" name="/etc/xdg/sni-qt.conf" pid=1994 comm="python" requested_mask="k" denied_mask="k" fsuid=1000 ouid=0 [ 9.878651] type=1400 audit(1481904366.186:36): apparmor="DENIED" operation="exec" profile="/usr/share/hplip/systray.py" name="/bin/ping" pid=2176 comm="hp-upgrade" requested_mask="x" denied_mask="x" fsuid=1000 ouid=0 [ 35.229417] type=1400 audit(1481904391.510:37): apparmor="STATUS" operation="profile_replace" profile="unconfined" name="/usr/lib/cups/backend/cups-pdf" pid=2394 comm="apparmor_parser" [ 35.229424] type=1400 audit(1481904391.510:38): apparmor="STATUS" operation="profile_replace" profile="unconfined" name="/usr/sbin/cupsd" pid=2394 comm="apparmor_parser" [ 224.216832] systemd-hostnamed[2667]: Warning: nss-myhostname is not installed. Changing the local hostname might make it unresolveable. Please install nss-myhostname! [ 384.484695] usbcore: registered new interface driver rtl8723au [ 384.504941] cfg80211: Calling CRDA to update world regulatory domain [ 385.122819] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 385.122866] cfg80211: World regulatory domain updated: [ 385.122873] cfg80211: (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp) [ 385.122881] cfg80211: (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) [ 385.122886] cfg80211: (2457000 KHz - 2482000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) [ 385.122892] cfg80211: (2474000 KHz - 2494000 KHz @ 20000 KHz), (300 mBi, 2000 mBm) [ 385.122896] cfg80211: (5170000 KHz - 5250000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) [ 385.122901] cfg80211: (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) [ 385.133133] RTL8723AU: ERROR indicate disassoc [ 385.134140] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 385.161207] RTL8723AU: ERROR set bssid:00:00:00:00:00:00 [ 385.161292] RTL8723AU: ERROR set ssid [g\xffffffc6isQ\xffffffffJ\xffffffec)\xffffffcd\xffffffba\xffffffba\xffffffab\xfffffff2\xfffffffb\xffffffe3F|\xffffffc2T\xfffffff8\x1b\xffffffe8\xffffffe7\xffffff8dvZ.c3\xffffff9f\xffffffc9\xffffff9a\xffffff9ax\xfffffff8]\x02] fw_state=0x00000008 [ 387.840056] RTL8723AU: ERROR set ssid [Buffalo-G-0C00] fw_state=0x00000008 [ 387.840104] RTL8723AU: ERROR set bssid:cc:e1:d5:eb:0c:00 [ 387.946539] RTL8723AU: ERROR start auth [ 387.950254] RTL8723AU: ERROR auth success, start assoc [ 387.955534] RTL8723AU: ERROR assoc success [ 387.955643] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 387.963015] UpdateHalRAMask8192CUsb => mac_id:0, networkType:0x0b, mask:0x000fffff [ 387.963015] ==> rssi_level:0, rate_bitmap:0x000ff005 [ 388.193372] RTL8723AU: ERROR send eapol packet [ 388.198435] RTL8723AU: ERROR send eapol packet [ 388.198549] RTL8723AU: ERROR set pairwise key to hw: alg:4(WEP40-1 WEP104-5 TKIP-2 AES-4) camid:4 [ 388.200273] RTL8723AU: ERROR set group key to hw: alg:4(WEP40-1 WEP104-5 TKIP-2 AES-4) keyid:1 [ 388.203004] RTL8723AU: ERROR set group key to hw: alg:4(WEP40-1 WEP104-5 TKIP-2 AES-4) keyid:0 [ 388.205639] RTL8723AU: ERROR set group key to hw: alg:4(WEP40-1 WEP104-5 TKIP-2 AES-4) keyid:1 [ 388.205941] RTL8723AU: ERROR set ssid [Buffalo-G-0C00] fw_state=0x00000009 [ 388.205968] RTL8723AU: ERROR indicate disassoc [ 388.206001] RTL8723AU: ERROR set bssid:cc:e1:d5:eb:0c:00 [ 388.207872] RTL8723AU: ERROR set group key to hw: alg:4(WEP40-1 WEP104-5 TKIP-2 AES-4) keyid:0 [ 388.254145] RTL8723AU: ERROR start auth [ 388.258604] RTL8723AU: ERROR auth success, start assoc [ 388.265511] RTL8723AU: ERROR assoc success [ 388.272462] UpdateHalRAMask8192CUsb => mac_id:0, networkType:0x0b, mask:0x000fffff [ 388.272462] ==> rssi_level:0, rate_bitmap:0x000ff005 [ 389.150956] UpdateHalRAMask8192CUsb => mac_id:0, networkType:0x0b, mask:0x000fffff [ 389.150956] ==> rssi_level:1, rate_bitmap:0x000f0000 [ 398.277704] RTL8723AU: ERROR indicate disassoc [ 398.277733] RTL8723AU: ERROR set bssid:00:00:00:00:00:00 [ 398.277794] RTL8723AU: ERROR set ssid [f2 \xffffffb71X\xffffffa3Z%]\x05\x17X\xffffffe9^\xffffffd4\xffffffab\xffffffab\xffffffb2\xffffffcd\xffffffc6\xffffff9b\xffffff9b\xffffffb4T\x11\x0e\xffffff82tA!=\xffffffdc\xffffff87\xffffff87x\xfffffff8]\x02] fw_state=0x00000008 [ 398.280063] RTL8723AU: ERROR sta recv deauth reason code(6) sta:cc:e1:d5:eb:0c:00 [ 398.308855] RTL8723AU: ERROR indicate disassoc [ 399.639119] RTL8723AU: ERROR set ssid [Buffalo-G-0C00] fw_state=0x00000008 [ 399.639140] RTL8723AU: ERROR set bssid:cc:e1:d5:eb:0c:00 [ 399.736048] RTL8723AU: ERROR start auth [ 399.742395] RTL8723AU: ERROR auth success, start assoc [ 399.747423] RTL8723AU: ERROR assoc success [ 399.754242] UpdateHalRAMask8192CUsb => mac_id:0, networkType:0x0b, mask:0x000fffff [ 399.754242] ==> rssi_level:0, rate_bitmap:0x000ff005 [ 399.981713] RTL8723AU: ERROR send eapol packet [ 399.988186] RTL8723AU: ERROR send eapol packet [ 399.989414] RTL8723AU: ERROR set pairwise key to hw: alg:4(WEP40-1 WEP104-5 TKIP-2 AES-4) camid:4 [ 399.989693] RTL8723AU: ERROR set ssid [Buffalo-G-0C00] fw_state=0x00000009 [ 399.989727] RTL8723AU: ERROR indicate disassoc [ 399.989889] RTL8723AU: ERROR set bssid:cc:e1:d5:eb:0c:00 [ 399.991391] RTL8723AU: ERROR set group key to hw: alg:4(WEP40-1 WEP104-5 TKIP-2 AES-4) keyid:1 [ 399.993256] RTL8723AU: ERROR set group key to hw: alg:4(WEP40-1 WEP104-5 TKIP-2 AES-4) keyid:0 [ 399.995154] RTL8723AU: ERROR set group key to hw: alg:4(WEP40-1 WEP104-5 TKIP-2 AES-4) keyid:1 [ 399.996909] RTL8723AU: ERROR set group key to hw: alg:4(WEP40-1 WEP104-5 TKIP-2 AES-4) keyid:0 [ 400.043701] RTL8723AU: ERROR start auth [ 400.046125] RTL8723AU: ERROR auth success, start assoc [ 400.050977] RTL8723AU: ERROR assoc success [ 400.057822] UpdateHalRAMask8192CUsb => mac_id:0, networkType:0x0b, mask:0x000fffff [ 400.057822] ==> rssi_level:0, rate_bitmap:0x000ff005 [ 401.189998] UpdateHalRAMask8192CUsb => mac_id:0, networkType:0x0b, mask:0x000fffff [ 401.189998] ==> rssi_level:1, rate_bitmap:0x000f0000 [ 410.063324] RTL8723AU: ERROR indicate disassoc [ 410.063400] RTL8723AU: ERROR set bssid:00:00:00:00:00:00 [ 410.063561] RTL8723AU: ERROR set ssid [p\xffffffe9>\xffffffa1A\xffffffe1\xfffffffcg>\x01~\xffffff97\xffffffea\xffffffdck\xffffff96\xffffff8f8\*\xffffffec\xffffffb0;\xfffffffb2\xffffffaf mac_id:0, networkType:0x0b, mask:0x000fffff [ 411.542739] ==> rssi_level:0, rate_bitmap:0x000ff005 [ 411.772391] RTL8723AU: ERROR send eapol packet [ 411.777725] RTL8723AU: ERROR send eapol packet [ 411.778227] RTL8723AU: ERROR set pairwise key to hw: alg:4(WEP40-1 WEP104-5 TKIP-2 AES-4) camid:4 [ 411.779790] RTL8723AU: ERROR set group key to hw: alg:4(WEP40-1 WEP104-5 TKIP-2 AES-4) keyid:1 [ 413.226246] UpdateHalRAMask8192CUsb => mac_id:0, networkType:0x0b, mask:0x000fffff [ 413.226246] ==> rssi_level:1, rate_bitmap:0x000f0000