[   23.930294] init: modemmanager main process ended, respawning
[   24.027728] init: modemmanager main process ended, respawning
[   24.091609] init: modemmanager main process ended, respawning
[   24.176126] init: modemmanager main process ended, respawning
[   24.256317] init: modemmanager main process ended, respawning
[   24.330535] init: modemmanager respawning too fast, stopped
[   40.466189] systemd-logind[852]: Failed to start unit user@112.service: Unknown unit: user@112.service
[   40.466201] systemd-logind[852]: Failed to start user service: Unknown unit: user@112.service
[   40.474004] systemd-logind[852]: New session c1 of user lightdm.
[   40.474044] systemd-logind[852]: Linked /tmp/.X11-unix/X0 to /run/user/112/X11-display.
[   82.161151] systemd-logind[852]: Failed to start unit user@1000.service: Unknown unit: user@1000.service
[   82.161163] systemd-logind[852]: Failed to start user service: Unknown unit: user@1000.service
[   82.177020] systemd-logind[852]: New session c2 of user jirka.
[   82.177061] systemd-logind[852]: Linked /tmp/.X11-unix/X0 to /run/user/1000/X11-display.
[  100.859158] FAT-fs (sdc1): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.