[    2.204811] input: Microsoft Natural® Ergonomic Keyboard 4000 as /devices/pci0000:00/0000:00:1a.2/usb5/5-2/5-2:1.0/0003:045E:00DB.0001/input/input5
[    2.204918] microsoft 0003:045E:00DB.0001: input,hidraw0: USB HID v1.11 Keyboard [Microsoft Natural® Ergonomic Keyboard 4000] on usb-0000:00:1a.2-2/input0
[    2.211859] input: Microsoft Natural® Ergonomic Keyboard 4000 as /devices/pci0000:00/0000:00:1a.2/usb5/5-2/5-2:1.1/0003:045E:00DB.0002/input/input6
[    2.211933] microsoft 0003:045E:00DB.0002: input,hidraw1: USB HID v1.11 Device [Microsoft Natural® Ergonomic Keyboard 4000] on usb-0000:00:1a.2-2/input1
[   13.732842] nvidia 0000:03:00.0: irq 77 for MSI/MSI-X
[   14.651398] init: plymouth-upstart-bridge main process ended, respawning
[   14.686733] systemd-logind[984]: Failed to start unit user@1000.service: Unknown unit: user@1000.service
[   14.686742] systemd-logind[984]: Failed to start user service: Unknown unit: user@1000.service
[   14.691340] systemd-logind[984]: New session c1 of user michael-heuberger.
[   14.691364] systemd-logind[984]: Linked /tmp/.X11-unix/X0 to /run/user/1000/X11-display.
[   15.554136] sky2 0000:05:00.0 eth0: Link is up at 1000 Mbps, full duplex, flow control both
[   15.554213] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
[   43.190697] audit_printk_skb: 51 callbacks suppressed
[   43.190700] audit: type=1400 audit(1416440343.128:32): apparmor="STATUS" operation="profile_replace" profile="unconfined" name="/usr/lib/cups/backend/cups-pdf" pid=3400 comm="apparmor_parser"
[   43.190707] audit: type=1400 audit(1416440343.128:33): apparmor="STATUS" operation="profile_replace" profile="unconfined" name="/usr/sbin/cupsd" pid=3400 comm="apparmor_parser"
[   43.203271] audit: type=1400 audit(1416440343.144:34): apparmor="STATUS" operation="profile_replace" profile="unconfined" name="third_party" pid=3400 comm="apparmor_parser"