[ 28.324624] vboxdrv: module verification failed: signature and/or required key missing - tainting kernel [ 28.326372] vboxdrv: Found 8 processor cores. [ 28.326517] vboxdrv: fAsync=0 offMin=0x250 offMax=0x18ba [ 28.326563] vboxdrv: TSC mode is 'synchronous', kernel timer mode is 'normal'. [ 28.326564] vboxdrv: Successfully loaded version 4.3.36_Ubuntu (interface 0x001a000b). [ 28.900487] init: samba-ad-dc main process (1297) terminated with status 1 [ 30.328839] init: plymouth-upstart-bridge main process ended, respawning [ 30.332002] init: plymouth-upstart-bridge main process (1408) terminated with status 1 [ 30.332009] init: plymouth-upstart-bridge main process ended, respawning [ 30.340599] vboxpci: IOMMU not found (not registered) [ 31.900928] Ebtables v2.0 registered [ 32.013304] cgroup: systemd-logind (897) created nested cgroup for controller "memory" which has incomplete hierarchy support. Nested cgroups may change behavior in the future. [ 32.013307] cgroup: "memory" requires setting use_hierarchy to 1 on the root. [ 32.194384] ip_tables: (C) 2000-2006 Netfilter Core Team [ 32.243567] ip6_tables: (C) 2000-2006 Netfilter Core Team [ 32.501653] init: plymouth-stop pre-start process (1593) terminated with status 1 [ 33.261194] Bridge firewalling registered [ 33.698730] nf_conntrack version 0.5.0 (16384 buckets, 65536 max) [ 33.801762] IPv6: ADDRCONF(NETDEV_UP): virbr0: link is not ready [ 37.437170] type=1400 audit(1469799551.013:73): apparmor="DENIED" operation="mkdir" profile="/usr/lib/telepathy/mission-control-5" name="/var/lib/gdm/.config/libaccounts-glib/" pid=1952 comm="mission-control" requested_mask="c" denied_mask="c" fsuid=121 ouid=121 [ 37.438043] type=1400 audit(1469799551.013:74): apparmor="DENIED" operation="open" profile="/usr/lib/telepathy/mission-control-5" name="/etc/dconf/profile/gdm" pid=1952 comm="mission-control" requested_mask="r" denied_mask="r" fsuid=121 ouid=0 [ 43.520574] r8169 0000:02:00.0 eth0: link up [ 43.520582] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ 53.597930] type=1400 audit(1469799567.185:75): apparmor="STATUS" operation="profile_replace" profile="unconfined" name="/usr/lib/cups/backend/cups-pdf" pid=2005 comm="apparmor_parser" [ 53.597935] type=1400 audit(1469799567.185:76): apparmor="STATUS" operation="profile_replace" profile="unconfined" name="/usr/sbin/cupsd" pid=2005 comm="apparmor_parser" [ 53.598179] type=1400 audit(1469799567.185:77): apparmor="STATUS" operation="profile_replace" profile="unconfined" name="/usr/sbin/cupsd" pid=2005 comm="apparmor_parser"