[    6.702518] sha512_ssse3: Using AVX optimized SHA-512 implementation
[    6.704867] sha256_ssse3: Using AVX optimized SHA-256 implementation
[    6.732059] AVX2 instructions are not detected.
[    6.783116] AVX2 or AES-NI instructions are not detected.
[    6.803435] NET: Registered protocol family 15
[    6.891048] Initializing XFRM netlink socket
[    6.934693] init: plymouth-upstart-bridge main process ended, respawning
[    6.939725] init: plymouth-upstart-bridge main process (2028) terminated with status 1
[    6.939736] init: plymouth-upstart-bridge main process ended, respawning
[    6.967920] bbswitch: module verification failed: signature and/or  required key missing - tainting kernel
[    6.968101] bbswitch: version 0.8
[    6.968122] bbswitch: Found integrated VGA device 0000:00:02.0: \_SB_.PCI0.GFX0
[    6.968126] bbswitch: Found discrete VGA device 0000:01:00.0: \_SB_.PCI0.PEG0.PEGP
[    6.968134] ACPI Warning: \_SB_.PCI0.PEG0.PEGP._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20131115/nsarguments-95)
[    6.968222] bbswitch: detected an Optimus _DSM function
[    6.968232] pci 0000:01:00.0: enabling device (0000 -> 0003)
[    6.968278] bbswitch: Succesfully loaded. Discrete card 0000:01:00.0 is on
[    6.970404] AVX2 instructions are not detected.
[    6.970756] bbswitch: disabling discrete graphics
[    6.970764] ACPI Warning: \_SB_.PCI0.PEG0.PEGP._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20131115/nsarguments-95)
[    7.005042] AVX2 or AES-NI instructions are not detected.
[    8.266750] vboxdrv: Found 8 processor cores.
[    8.266943] vboxdrv: fAsync=0 offMin=0x14d offMax=0x227a
[    8.267023] vboxdrv: TSC mode is 'synchronous', kernel timer mode is 'normal'.
[    8.267025] vboxdrv: Successfully loaded version 4.3.10_Ubuntu (interface 0x001a0007).
[    8.476009] vboxpci: IOMMU not found (not registered)
[    9.372006] wlan0: authenticate with c8:60:00:d2:92:d0
[    9.376808] wlan0: send auth to c8:60:00:d2:92:d0 (try 1/3)
[    9.379550] wlan0: authenticated
[    9.381431] wlan0: associate with c8:60:00:d2:92:d0 (try 1/3)
[    9.384729] wlan0: RX AssocResp from c8:60:00:d2:92:d0 (capab=0x411 status=0 aid=3)
[    9.404060] wlan0: associated
[    9.404073] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[    9.693476] init: plymouth-stop pre-start process (2822) terminated with status 1
[   16.978012] init: Failed to spawn nvidia-persistenced main process: unable to execute: No such file or directory