/:  Bus 02.Port 1: Dev 1, Class=root_hub, Driver=ehci_hcd/3p, 480M
    |__ Port 1: Dev 2, If 0, Class=hub, Driver=hub/8p, 480M
        |__ Port 4: Dev 3, If 0, Class=comm., Driver=, 480M
        |__ Port 4: Dev 3, If 1, Class=comm., Driver=cdc_acm, 480M
        |__ Port 4: Dev 3, If 2, Class=data, Driver=cdc_acm, 480M
        |__ Port 4: Dev 3, If 3, Class=comm., Driver=cdc_acm, 480M
        |__ Port 4: Dev 3, If 4, Class=data, Driver=cdc_acm, 480M
        |__ Port 4: Dev 3, If 5, Class=comm., Driver=cdc_wdm, 480M
        |__ Port 4: Dev 3, If 6, Class=comm., Driver=cdc_ncm, 480M
        |__ Port 4: Dev 3, If 7, Class=data, Driver=cdc_ncm, 480M
        |__ Port 4: Dev 3, If 8, Class=comm., Driver=cdc_wdm, 480M
        |__ Port 4: Dev 3, If 9, Class=comm., Driver=cdc_acm, 480M
        |__ Port 4: Dev 3, If 10, Class=data, Driver=cdc_acm, 480M
/:  Bus 01.Port 1: Dev 1, Class=root_hub, Driver=ehci_hcd/3p, 480M
    |__ Port 1: Dev 2, If 0, Class=hub, Driver=hub/6p, 480M
        |__ Port 1: Dev 3, If 0, Class=HID, Driver=, 12M
        |__ Port 1: Dev 3, If 1, Class=HID, Driver=usbhid, 12M
        |__ Port 3: Dev 4, If 0, Class=vend., Driver=, 12M
        |__ Port 4: Dev 5, If 0, Class='bInterfaceClass 0xe0 not yet handled', Driver=btusb, 12M
        |__ Port 4: Dev 5, If 1, Class='bInterfaceClass 0xe0 not yet handled', Driver=btusb, 12M
        |__ Port 4: Dev 5, If 2, Class=vend., Driver=, 12M
        |__ Port 4: Dev 5, If 3, Class=app., Driver=, 12M
        |__ Port 6: Dev 6, If 0, Class='bInterfaceClass 0x0e not yet handled', Driver=uvcvideo, 480M
        |__ Port 6: Dev 6, If 1, Class='bInterfaceClass 0x0e not yet handled', Driver=uvcvideo, 480M