root@kali:~# dmesg | tail -n 100
[   15.783439] cfg80211:   (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp), (dfs_cac_time)
[   15.783443] cfg80211:   (2402000 KHz - 2472000 KHz @ 40000 KHz), (N/A, 2000 mBm), (N/A)
[   15.783446] cfg80211:   (2457000 KHz - 2482000 KHz @ 40000 KHz), (N/A, 2000 mBm), (N/A)
[   15.783449] cfg80211:   (2474000 KHz - 2494000 KHz @ 20000 KHz), (N/A, 2000 mBm), (N/A)
[   15.783453] cfg80211:   (5170000 KHz - 5250000 KHz @ 80000 KHz, 160000 KHz AUTO), (N/A, 2000 mBm), (N/A)
[   15.783456] cfg80211:   (5250000 KHz - 5330000 KHz @ 80000 KHz, 160000 KHz AUTO), (N/A, 2000 mBm), (0 s)
[   15.783459] cfg80211:   (5490000 KHz - 5730000 KHz @ 160000 KHz), (N/A, 2000 mBm), (0 s)
[   15.783462] cfg80211:   (5735000 KHz - 5835000 KHz @ 80000 KHz), (N/A, 2000 mBm), (N/A)
[   15.783465] cfg80211:   (57240000 KHz - 63720000 KHz @ 2160000 KHz), (N/A, 0 mBm), (N/A)
[   15.926299] Linux video capture interface: v2.00
[   16.821646] uvcvideo: Found UVC 1.00 device Lenovo EasyCamera (04f2:b50e)
[   16.826950] input: Lenovo EasyCamera as /devices/pci0000:00/0000:00:14.0/usb1/1-4/1-4:1.0/input/input14
[   16.827716] usbcore: registered new interface driver uvcvideo
[   16.827719] USB Video Class driver (1.1.1)
[   17.129523] Adding 2124796k swap on /dev/sda10.  Priority:-1 extents:1 across:2124796k FS
[   20.304353] Netfilter messages via NETLINK v0.30.
[   25.977928] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
[   26.237531] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
[   26.245890] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
[   26.357728] r8169 0000:03:00.0: firmware: direct-loading firmware rtl_nic/rtl8168h-2.fw
[   26.375138] r8169 0000:03:00.0 eth0: link down
[   26.375237] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
[   26.676559] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
[   29.847660] wlan0: authenticate with ac:22:0b:ba:35:60
[   30.008277] wlan0: send auth to ac:22:0b:ba:35:60 (try 1/3)
[   30.012657] wlan0: authenticated
[   30.017791] wlan0: associate with ac:22:0b:ba:35:60 (try 1/3)
[   30.021945] wlan0: RX AssocResp from ac:22:0b:ba:35:60 (capab=0x411 status=0 aid=1)
[   30.022190] wlan0: associated
[   30.022251] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[   35.440031] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[   35.440038] Bluetooth: BNEP filters: protocol multicast
[   35.440049] Bluetooth: BNEP socket layer initialized
[   35.573332] Bluetooth: RFCOMM TTY layer initialized
[   35.573353] Bluetooth: RFCOMM socket layer initialized
[   35.573377] Bluetooth: RFCOMM ver 1.11
[   74.407577] fuse init (API version 7.23)
[  218.079710] usb 1-2: new low-speed USB device number 4 using xhci_hcd
[  218.270103] usb 1-2: New USB device found, idVendor=1bcf, idProduct=0005
[  218.270118] usb 1-2: New USB device strings: Mfr=0, Product=2, SerialNumber=0
[  218.270127] usb 1-2: Product: USB Optical Mouse
[  218.271088] usb 1-2: ep 0x81 - rounding interval to 64 microframes, ep desc says 80 microframes
[  218.654019] hidraw: raw HID events driver (C) Jiri Kosina
[  218.660356] usbcore: registered new interface driver usbhid
[  218.660363] usbhid: USB HID core driver
[  218.682097] input: USB Optical Mouse as /devices/pci0000:00/0000:00:14.0/usb1/1-2/1-2:1.0/0003:1BCF:0005.0001/input/input15
[  218.682637] hid-generic 0003:1BCF:0005.0001: input,hidraw0: USB HID v1.10 Mouse [USB Optical Mouse] on usb-0000:00:14.0-2/input0
[  241.314960] [drm:intel_pipe_update_end [i915]] *ERROR* Atomic update failure on pipe A (start=11768 end=11769) time 276 us, min 763, max 767, scanline start 759, end 772
[  886.528987] perf interrupt took too long (2502 > 2500), lowering kernel.perf_event_max_sample_rate to 50000
[ 1886.538935] perf interrupt took too long (5004 > 5000), lowering kernel.perf_event_max_sample_rate to 25000
[ 3294.201041] usb 1-2: USB disconnect, device number 4
[ 3294.474921] usb 1-2: new low-speed USB device number 5 using xhci_hcd
[ 3294.608173] usb 1-2: New USB device found, idVendor=1bcf, idProduct=0005
[ 3294.608182] usb 1-2: New USB device strings: Mfr=0, Product=2, SerialNumber=0
[ 3294.608186] usb 1-2: Product: USB Optical Mouse
[ 3294.608526] usb 1-2: ep 0x81 - rounding interval to 64 microframes, ep desc says 80 microframes
[ 3294.616385] input: USB Optical Mouse as /devices/pci0000:00/0000:00:14.0/usb1/1-2/1-2:1.0/0003:1BCF:0005.0002/input/input16
[ 3294.616701] hid-generic 0003:1BCF:0005.0002: input,hidraw0: USB HID v1.10 Mouse [USB Optical Mouse] on usb-0000:00:14.0-2/input0
[ 4053.482725] CPU0: Core temperature above threshold, cpu clock throttled (total events = 1)
[ 4053.482761] mce: [Hardware Error]: Machine check events logged
[ 4245.596548] CPU0: Core temperature/speed normal
[ 4245.596584] mce: [Hardware Error]: Machine check events logged
[ 5545.133155] bbswitch: version 0.8
[ 5545.133170] bbswitch: Found integrated VGA device 0000:00:02.0: \_SB_.PCI0.GFX0
[ 5545.133178] bbswitch: Found discrete VGA device 0000:01:00.0: \_SB_.PCI0.RP01.PXSX
[ 5545.133198] ACPI Warning: \_SB_.PCI0.RP01.PXSX._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20150930/nsarguments-95)
[ 5545.133398] bbswitch: detected an Optimus _DSM function
[ 5545.133424] pci 0000:01:00.0: enabling device (0006 -> 0007)
[ 5545.133435] bbswitch: Succesfully loaded. Discrete card 0000:01:00.0 is on
[ 5545.139473] bbswitch: disabling discrete graphics
[ 5545.139496] ACPI Warning: \_SB_.PCI0.RP01.PXSX._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20150930/nsarguments-95)
[ 5550.411068] bbswitch: enabling discrete graphics
[ 5550.958069] nvidia: module license 'NVIDIA' taints kernel.
[ 5550.958076] Disabling lock debugging due to kernel taint
[ 5550.980600] [drm] Initialized nvidia-drm 0.0.0 20150116 for 0000:01:00.0 on minor 1
[ 5550.980615] NVRM: loading NVIDIA UNIX x86_64 Kernel Module  352.79  Wed Jan 13 16:17:53 PST 2016
[ 6083.529791] wlan0: deauthenticating from ac:22:0b:ba:35:60 by local choice (Reason: 3=DEAUTH_LEAVING)
[ 6096.330740] cfg80211: World regulatory domain updated:
[ 6096.330748] cfg80211:  DFS Master region: unset
[ 6096.330751] cfg80211:   (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp), (dfs_cac_time)
[ 6096.330755] cfg80211:   (2402000 KHz - 2472000 KHz @ 40000 KHz), (N/A, 2000 mBm), (N/A)
[ 6096.330758] cfg80211:   (2457000 KHz - 2482000 KHz @ 40000 KHz), (N/A, 2000 mBm), (N/A)
[ 6096.330760] cfg80211:   (2474000 KHz - 2494000 KHz @ 20000 KHz), (N/A, 2000 mBm), (N/A)
[ 6096.330764] cfg80211:   (5170000 KHz - 5250000 KHz @ 80000 KHz, 160000 KHz AUTO), (N/A, 2000 mBm), (N/A)
[ 6096.330767] cfg80211:   (5250000 KHz - 5330000 KHz @ 80000 KHz, 160000 KHz AUTO), (N/A, 2000 mBm), (0 s)
[ 6096.330770] cfg80211:   (5490000 KHz - 5730000 KHz @ 160000 KHz), (N/A, 2000 mBm), (0 s)
[ 6096.330773] cfg80211:   (5735000 KHz - 5835000 KHz @ 80000 KHz), (N/A, 2000 mBm), (N/A)
[ 6096.330776] cfg80211:   (57240000 KHz - 63720000 KHz @ 2160000 KHz), (N/A, 0 mBm), (N/A)
[ 6102.703517] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
[ 6102.759239] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
[ 6111.070900] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
[ 6111.125243] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
[ 6114.309552] wlan0: authenticate with ac:22:0b:ba:35:60
[ 6114.469230] wlan0: send auth to ac:22:0b:ba:35:60 (try 1/3)
[ 6114.470747] wlan0: authenticated
[ 6114.477024] wlan0: associate with ac:22:0b:ba:35:60 (try 1/3)
[ 6114.480957] wlan0: RX AssocResp from ac:22:0b:ba:35:60 (capab=0x411 status=0 aid=1)
[ 6114.481247] wlan0: associated
[ 6114.481385] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 6965.099482] nvidia_uvm: Loaded the UVM driver, major device number 248
root@kali:~# echo $PATH
/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/opt/VirtualGL/bin:/usr/local/cuda-7.5/bin
root@kali:~# cat /etc/bumblebee/bumblebee.conf
# Configuration file for Bumblebee. Values should **not** be put between quotes

## Server options. Any change made in this section will need a server restart
# to take effect.
[bumblebeed]
# The secondary Xorg server DISPLAY number
VirtualDisplay=:8
# Should the unused Xorg server be kept running? Set this to true if waiting
# for X to be ready is too long and don't need power management at all.
KeepUnusedXServer=false
# The name of the Bumbleblee server group name (GID name)
ServerGroup=bumblebee
# Card power state at exit. Set to false if the card shoud be ON when Bumblebee
# server exits.
TurnCardOffAtExit=false
# The default behavior of '-f' option on optirun. If set to "true", '-f' will
# be ignored.
NoEcoModeOverride=false
# The Driver used by Bumblebee server. If this value is not set (or empty),
# auto-detection is performed. The available drivers are nvidia and nouveau
# (See also the driver-specific sections below)
Driver=nvidia
# Directory with a dummy config file to pass as a -configdir to secondary X
XorgConfDir=/etc/bumblebee/xorg.conf.d

## Client options. Will take effect on the next optirun executed.
[optirun]
# Acceleration/ rendering bridge, possible values are auto, virtualgl and
# primus.
Bridge=auto
# The method used for VirtualGL to transport frames between X servers.
# Possible values are proxy, jpeg, rgb, xv and yuv.
VGLTransport=proxy
# List of paths which are searched for the primus libGL.so.1 when using
# the primus bridge
PrimusLibraryPath=/usr/lib/x86_64-linux-gnu/primus:/usr/lib/i386-linux-gnu/primus:/usr/lib/primus:/usr/lib32/primus
# Should the program run under optirun even if Bumblebee server or nvidia card
# is not available?
AllowFallbackToIGC=false


# Driver-specific settings are grouped under [driver-NAME]. The sections are
# parsed if the Driver setting in [bumblebeed] is set to NAME (or if auto-
# detection resolves to NAME).
# PMMethod: method to use for saving power by disabling the nvidia card, valid
# values are: auto - automatically detect which PM method to use
#         bbswitch - new in BB 3, recommended if available
#       switcheroo - vga_switcheroo method, use at your own risk
#             none - disable PM completely
# https://github.com/Bumblebee-Project/Bumblebee/wiki/Comparison-of-PM-methods

## Section with nvidia driver specific options, only parsed if Driver=nvidia
[driver-nvidia]
# Module name to load, defaults to Driver if empty or unset
KernelDriver=nvidia-current
PMMethod=auto
# colon-separated path to the nvidia libraries
LibraryPath=/usr/lib/x86_64-linux-gnu/nvidia:/usr/lib/i386-linux-gnu/nvidia:/usr/lib/nvidia
# comma-separated path of the directory containing nvidia_drv.so and the
# default Xorg modules path
XorgModulePath=/usr/lib/nvidia,/usr/lib/xorg/modules
XorgConfFile=/etc/bumblebee/xorg.conf.nvidia

## Section with nouveau driver specific options, only parsed if Driver=nouveau
[driver-nouveau]
KernelDriver=nouveau
PMMethod=auto
XorgConfFile=/etc/bumblebee/xorg.conf.nouveau

root@kali:~# cat /etc/bumblebee/xorg.conf.nvidia
Section "ServerLayout"
    Identifier  "Layout0"
    Option      "AutoAddDevices" "false"
    Option      "AutoAddGPU" "false"
EndSection

Section "Device"
    Identifier  "DiscreteNvidia"
    Driver      "nvidia"
    VendorName  "NVIDIA Corporation"

#   If the X server does not automatically detect your VGA device,
#   you can manually set it here.
#   To get the BusID prop, run `lspci | egrep 'VGA|3D'` and input the data
#   as you see in the commented example.
#   This Setting may be needed in some platforms with more than one
#   nvidia card, which may confuse the proprietary driver (e.g.,
#   trying to take ownership of the wrong device). Also needed on Ubuntu 13.04.
    BusID "PCI:01:00:0"

#   Setting ProbeAllGpus to false prevents the new proprietary driver
#   instance spawned to try to control the integrated graphics card,
#   which is already being managed outside bumblebee.
#   This option doesn't hurt and it is required on platforms running
#   more than one nvidia graphics card with the proprietary driver.
#   (E.g. Macbook Pro pre-2010 with nVidia 9400M + 9600M GT).
#   If this option is not set, the new Xorg may blacken the screen and
#   render it unusable (unless you have some way to run killall Xorg).
    Option "ProbeAllGpus" "false"

    Option "NoLogo" "true"
    Option "UseEDID" "false"
    Option "UseDisplayDevice" "none"
EndSection
root@kali:~# service bumblebeed restart
root@kali:~# modinfo nvidia
modinfo: ERROR: Module nvidia not found.
root@kali:~# find 2> /dev/null / -name nvidia*.ko
/var/lib/dkms/nvidia-current/352.79/4.4.0-kali1-amd64/x86_64/module/nvidia-current-uvm.ko
/var/lib/dkms/nvidia-current/352.79/4.4.0-kali1-amd64/x86_64/module/nvidia-current.ko
/var/lib/dkms/nvidia-current/352.79/4.5.0-kali1-amd64/x86_64/module/nvidia-current-uvm.ko
/var/lib/dkms/nvidia-current/352.79/4.5.0-kali1-amd64/x86_64/module/nvidia-current.ko
/lib/modules/4.4.0-kali1-amd64/updates/dkms/nvidia-current-uvm.ko
/lib/modules/4.4.0-kali1-amd64/updates/dkms/nvidia-current.ko
/lib/modules/4.5.0-kali1-amd64/updates/dkms/nvidia-current-uvm.ko
/lib/modules/4.5.0-kali1-amd64/updates/dkms/nvidia-current.ko