[   10.783243] vboxdrv: Found 8 processor cores.
[   10.783771] vboxdrv: fAsync=0 offMin=0x217 offMax=0x1c89
[   10.783836] vboxdrv: TSC mode is 'synchronous', kernel timer mode is 'normal'.
[   10.783837] vboxdrv: Successfully loaded version 4.3.18_Ubuntu (interface 0x001a0008).
[   10.790878] vboxpci: IOMMU not found (not registered)
[   11.290378] init: plymouth-upstart-bridge main process ended, respawning
[   11.293850] init: plymouth-upstart-bridge main process (2135) terminated with status 1
[   11.307180] systemd-logind[1032]: Failed to start unit user@112.service: Unknown unit: user@112.service
[   11.307184] systemd-logind[1032]: Failed to start user service: Unknown unit: user@112.service
[   11.309175] systemd-logind[1032]: New session c1 of user lightdm.
[   11.309185] systemd-logind[1032]: Linked /tmp/.X11-unix/X0 to /run/user/112/X11-display.
[  141.513703] systemd-logind[1032]: Failed to start unit user@1000.service: Unknown unit: user@1000.service
[  141.513707] systemd-logind[1032]: Failed to start user service: Unknown unit: user@1000.service
[  141.515924] systemd-logind[1032]: New session c2 of user moniker.
[  141.515935] systemd-logind[1032]: Linked /tmp/.X11-unix/X0 to /run/user/1000/X11-display.
[  142.636620] hfsplus: invalid secondary volume header
[  142.636624] hfsplus: unable to find HFS+ superblock
[  142.722367] hfsplus: write access to a journaled filesystem is not supported, use the force option at your own risk, mounting read-only.