[   22.724529] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
[   24.308508] tg3 0000:04:00.0 eth0: Link is up at 100 Mbps, full duplex
[   24.308517] tg3 0000:04:00.0 eth0: Flow control is on for TX and on for RX
[   24.308532] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
[   24.724421] vboxdrv: module verification failed: signature and/or  required key missing - tainting kernel
[   24.727410] vboxdrv: Found 4 processor cores.
[   24.727610] vboxdrv: fAsync=0 offMin=0x225 offMax=0x150f
[   24.727701] vboxdrv: TSC mode is 'synchronous', kernel timer mode is 'normal'.
[   24.727703] vboxdrv: Successfully loaded version 4.3.36_Ubuntu (interface 0x001a000b).
[   24.784513] init: samba-ad-dc main process (998) terminated with status 1
[   25.386309] vboxpci: IOMMU not found (not registered)
[   29.521718] init: plymouth-upstart-bridge main process ended, respawning
[   29.531134] init: plymouth-upstart-bridge main process (1446) terminated with status 1
[   29.531151] init: plymouth-upstart-bridge main process ended, respawning