KODI:~ # lsusb -t
/:  Bus 02.Port 1: Dev 1, Class=root_hub, Driver=xhci-hcd/1p, 5000M
    |__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/4p, 5000M
/:  Bus 01.Port 1: Dev 1, Class=root_hub, Driver=xhci-hcd/2p, 480M
    |__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/4p, 480M
        |__ Port 1: Dev 4, If 0, Class=Audio, Driver=snd-usb-audio, 12M
        |__ Port 1: Dev 4, If 1, Class=Audio, Driver=snd-usb-audio, 12M
        |__ Port 1: Dev 4, If 2, Class=Audio, Driver=snd-usb-audio, 12M
        |__ Port 1: Dev 4, If 3, Class=Human Interface Device, Driver=usbhid, 12M
    |__ Port 2: Dev 3, If 0, Class=Vendor Specific Class, Driver=em28xx, 480M