If i plug out and plug back in the USB Dock I see this in dmesg:
[ 514.977077] usb 2-2: new SuperSpeed USB device number 5 using xhci_hcd
[ 514.996754] usb 2-2: New USB device found, idVendor=2109, idProduct=0811
[ 514.996765] usb 2-2: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[ 514.996770] usb 2-2: Product: Lenovo USB 3.0 dock
[ 514.996774] usb 2-2: Manufacturer: VIA Labs, Inc.
[ 515.001996] hub 2-2:1.0: USB hub found
[ 515.002585] hub 2-2:1.0: 4 ports detected
[ 515.749351] usb 1-2: new high-speed USB device number 6 using xhci_hcd
[ 515.878785] usb 1-2: New USB device found, idVendor=2109, idProduct=3431
[ 515.878794] usb 1-2: New USB device strings: Mfr=0, Product=1, SerialNumber=0
[ 515.878799] usb 1-2: Product: USB2.0 Hub
[ 515.879748] hub 1-2:1.0: USB hub found
[ 515.879937] hub 1-2:1.0: 4 ports detected
[ 516.157954] usb 1-2.1: new full-speed USB device number 7 using xhci_hcd
[ 517.059380] usb 1-2.1: New USB device found, idVendor=047f, idProduct=d955
[ 517.059390] usb 1-2.1: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[ 517.059395] usb 1-2.1: Product: Plantronics Wireless Audio
[ 517.059399] usb 1-2.1: Manufacturer: Plantronics Wireless Audio
[ 517.059831] usb 1-2.1: ep 0x83 - rounding interval to 64 microframes, ep desc says 80 microframes
[ 517.079717] input: Plantronics Wireless Audio Plantronics Wireless Audio as /devices/pci0000:00/0000:00:14.0/usb1/1-2/1-2.1/1-2.1:1.3/0003:047F
955.0008/input/input21
[ 517.135952] plantronics 0003:047F
955.0008: input,hiddev0,hidraw6: USB HID v1.01 Device [Plantronics Wireless Audio Plantronics Wireless Audio] on usb-0000:00:14.0-2.1/input3
[ 517.207148] usb 1-2.4: new high-speed USB device number 8 using xhci_hcd
[ 517.296017] usb 1-2.4: New USB device found, idVendor=2109, idProduct=3431
[ 517.296026] usb 1-2.4: New USB device strings: Mfr=0, Product=1, SerialNumber=0
[ 517.296031] usb 1-2.4: Product: USB2.0 Hub
[ 517.296958] hub 1-2.4:1.0: USB hub found
[ 517.297122] hub 1-2.4:1.0: 4 ports detected
[ 518.000187] usb 2-2.4: new SuperSpeed USB device number 6 using xhci_hcd
[ 518.017748] usb 2-2.4: New USB device found, idVendor=2109, idProduct=0811
[ 518.017755] usb 2-2.4: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[ 518.017760] usb 2-2.4: Product: Lenovo USB 3.0 dock
[ 518.017764] usb 2-2.4: Manufacturer: VIA Labs, Inc.
[ 518.021407] hub 2-2.4:1.0: USB hub found
[ 518.021599] hub 2-2.4:1.0: 4 ports detected
I see this in xrandr:
Screen 0: minimum 8 x 8, current 3520 x 1080, maximum 32767 x 32767
LVDS1 connected 1600x900+0+180 (normal left inverted right x axis y axis) 309mm x 174mm
1600x900 60.0*+
1440x900 59.9
1360x768 59.8 60.0
1152x864 60.0
1024x768 60.0
800x600 60.3 56.2
640x480 59.9
DP1 disconnected (normal left inverted right x axis y axis)
HDMI1 connected primary 1920x1080+1600+0 (normal left inverted right x axis y axis) 477mm x 268mm
1920x1080 60.0*+
1280x1024 75.0 60.0
1152x864 75.0
1024x768 75.1 60.0
800x600 75.0 60.3
640x480 75.0 60.0
720x400 70.1
VGA1 disconnected (normal left inverted right x axis y axis)
VIRTUAL1 disconnected (normal left inverted right x axis y axis)