[   31.254407] init: plymouth-upstart-bridge main process ended, respawning
[   31.609170] systemd-logind[1143]: Failed to start unit user@107.service: Unknown unit: user@107.service
[   31.609181] systemd-logind[1143]: Failed to start user service: Unknown unit: user@107.service
[   31.620428] systemd-logind[1143]: New session c1 of user lightdm.
[   31.620466] systemd-logind[1143]: Linked /tmp/.X11-unix/X0 to /run/user/107/X11-display.
[   42.045575] systemd-logind[1143]: Failed to abandon scope session-c1.scope
[   42.045586] systemd-logind[1143]: Failed to abandon session scope: No such interface 'org.freedesktop.systemd1.Scope' on object at path /org/freedesktop/systemd1/unit/session_2dc1_2escope
[   42.054988] systemd-logind[1143]: Failed to start unit user@1000.service: Unknown unit: user@1000.service
[   42.054998] systemd-logind[1143]: Failed to start user service: Unknown unit: user@1000.service
[   42.066438] systemd-logind[1143]: New session c2 of user ek.
[   42.066470] systemd-logind[1143]: Linked /tmp/.X11-unix/X0 to /run/user/1000/X11-display.
[   48.148432] audit: type=1400 audit(1410144435.764:23): apparmor="STATUS" operation="profile_replace" profile="unconfined" name="/usr/lib/cups/backend/cups-pdf" pid=2682 comm="apparmor_parser"
[   48.148444] audit: type=1400 audit(1410144435.764:24): apparmor="STATUS" operation="profile_replace" profile="unconfined" name="/usr/sbin/cupsd" pid=2682 comm="apparmor_parser"
[   68.725282] [sched_delayed] sched: RT throttling activated
[   85.033717] audit: type=1400 audit(1410144472.619:25): apparmor="DENIED" operation="capable" profile="/usr/sbin/cupsd" pid=3157 comm="serial" capability=21  capname="sys_admin"