/:  Bus 02.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/7p, 5000M
/:  Bus 01.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/8p, 480M
    |__ Port 4: Dev 2, If 1, Class=Video, Driver=uvcvideo, 480M
    |__ Port 4: Dev 2, If 0, Class=Video, Driver=uvcvideo, 480M
    |__ Port 6: Dev 3, If 0, Class=Wireless, Driver=btusb, 12M
    |__ Port 6: Dev 3, If 1, Class=Wireless, Driver=btusb, 12M