[   49.927950] init: plymouth-upstart-bridge main process ended, respawning
[   50.456001] systemd-logind[940]: Failed to start unit user@104.service: Unknown unit: user@104.service
[   50.456120] systemd-logind[940]: Failed to start user service: Unknown unit: user@104.service
[   50.476466] systemd-logind[940]: New session c1 of user lightdm.
[   50.476557] systemd-logind[940]: Linked /tmp/.X11-unix/X0 to /run/user/104/X11-display.
[   71.199782] systemd-logind[940]: Failed to start unit user@1000.service: Unknown unit: user@1000.service
[   71.199813] systemd-logind[940]: Failed to start user service: Unknown unit: user@1000.service
[   71.242093] systemd-logind[940]: New session c2 of user tommy.
[   71.242189] systemd-logind[940]: Linked /tmp/.X11-unix/X0 to /run/user/1000/X11-display.
[  130.413384] perf interrupt took too long (2514 > 2500), lowering kernel.perf_event_max_sample_rate to 50000