/:  Bus 04.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/4p, 5000M
/:  Bus 03.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/4p, 480M
    |__ Port 1: Dev 3, If 0, Class=Vendor Specific Class, Driver=usbfs, 480M
    |__ Port 4: Dev 2, If 0, Class=Communications, Driver=, 480M
    |__ Port 4: Dev 2, If 1, Class=Communications, Driver=cdc_acm, 480M
    |__ Port 4: Dev 2, If 2, Class=CDC Data, Driver=cdc_acm, 480M
    |__ Port 4: Dev 2, If 3, Class=Communications, Driver=cdc_acm, 480M
    |__ Port 4: Dev 2, If 4, Class=CDC Data, Driver=cdc_acm, 480M
    |__ Port 4: Dev 2, If 5, Class=Communications, Driver=cdc_wdm, 480M
    |__ Port 4: Dev 2, If 6, Class=Communications, Driver=cdc_ncm, 480M
    |__ Port 4: Dev 2, If 7, Class=CDC Data, Driver=cdc_ncm, 480M
    |__ Port 4: Dev 2, If 8, Class=Communications, Driver=cdc_wdm, 480M
    |__ Port 4: Dev 2, If 9, Class=Communications, Driver=cdc_acm, 480M
    |__ Port 4: Dev 2, If 10, Class=CDC Data, Driver=cdc_acm, 480M
/:  Bus 02.Port 1: Dev 1, Class=root_hub, Driver=ehci-pci/3p, 480M
    |__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/8p, 480M
/:  Bus 01.Port 1: Dev 1, Class=root_hub, Driver=ehci-pci/3p, 480M
    |__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/6p, 480M
        |__ Port 3: Dev 3, If 0, Class=Vendor Specific Class, Driver=, 12M
        |__ Port 4: Dev 4, If 2, Class=Vendor Specific Class, Driver=btusb, 12M
        |__ Port 4: Dev 4, If 0, Class=Vendor Specific Class, Driver=btusb, 12M
        |__ Port 4: Dev 4, If 3, Class=Application Specific Interface, Driver=, 12M
        |__ Port 4: Dev 4, If 1, Class=Vendor Specific Class, Driver=btusb, 12M
        |__ Port 6: Dev 5, If 1, Class=Video, Driver=uvcvideo, 480M
        |__ Port 6: Dev 5, If 0, Class=Video, Driver=uvcvideo, 480M