[   33.244116] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
[   34.427805] bbswitch: module verification failed: signature and/or required key missing - tainting kernel
[   34.428041] bbswitch: version 0.8
[   34.428048] bbswitch: Found integrated VGA device 0000:00:02.0: \_SB_.PCI0.GFX0
[   34.428054] bbswitch: Found discrete VGA device 0000:01:00.0: \_SB_.PCI0.PEG0.PEGP
[   34.428067] ACPI Warning: \_SB_.PCI0.PEG0.PEGP._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20130517/nsarguments-95)
[   34.428209] bbswitch: detected an Optimus _DSM function
[   34.428226] pci 0000:01:00.0: enabling device (0000 -> 0003)
[   34.428266] bbswitch: Succesfully loaded. Discrete card 0000:01:00.0 is on
[   34.430617] bbswitch: disabling discrete graphics
[   34.430628] ACPI Warning: \_SB_.PCI0.PEG0.PEGP._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20130517/nsarguments-95)
[   34.851786] pci 0000:01:00.0: power state changed by ACPI to D3cold
[   36.005664] postgres (1288): /proc/1288/oom_adj is deprecated, please use /proc/1288/oom_score_adj instead.
[   38.978910] wlan0: authenticate with d4:ca:6d:31:5a:83
[   38.992565] wlan0: send auth to d4:ca:6d:31:5a:83 (try 1/3)
[   38.995062] wlan0: authenticated
[   38.995307] ath9k 0000:04:00.0 wlan0: disabling HT as WMM/QoS is not supported by the AP
[   38.995315] ath9k 0000:04:00.0 wlan0: disabling VHT as WMM/QoS is not supported by the AP
[   38.997690] wlan0: associate with d4:ca:6d:31:5a:83 (try 1/3)
[   39.004127] wlan0: RX AssocResp from d4:ca:6d:31:5a:83 (capab=0x431 status=0 aid=4)
[   39.004234] wlan0: associated
[   39.004243] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[   45.957267] vboxdrv: Found 4 processor cores.
[   45.957786] vboxdrv: fAsync=0 offMin=0xdd offMax=0x1a7d
[   45.957871] vboxdrv: TSC mode is 'synchronous', kernel timer mode is 'normal'.
[   45.957873] vboxdrv: Successfully loaded version 4.2.16_Ubuntu (interface 0x001a0005).
[   45.987614] vboxpci: IOMMU not found (not registered)
[   49.813127] init: plymouth-stop pre-start process (2099) terminated with status 1