/:  Bus 001.Port 001: Dev 001, Class=root_hub, Driver=ehci-pci/2p, 480M
    |__ Port 001: Dev 002, If 0, Class=Hub, Driver=hub/8p, 480M
        |__ Port 003: Dev 003, If 0, Class=Wireless, Driver=btusb, 12M
        |__ Port 003: Dev 003, If 1, Class=Wireless, Driver=btusb, 12M
        |__ Port 006: Dev 004, If 0, Class=Video, Driver=uvcvideo, 480M
        |__ Port 006: Dev 004, If 1, Class=Video, Driver=uvcvideo, 480M
        |__ Port 007: Dev 005, If 0, Class=Application Specific Interface, Driver=[none], 12M
        |__ Port 007: Dev 005, If 1, Class=Chip/SmartCard, Driver=[none], 12M
        |__ Port 007: Dev 005, If 2, Class=Chip/SmartCard, Driver=[none], 12M
        |__ Port 007: Dev 005, If 3, Class=Vendor Specific Class, Driver=[none], 12M
/:  Bus 002.Port 001: Dev 001, Class=root_hub, Driver=xhci_hcd/11p, 480M
/:  Bus 003.Port 001: Dev 001, Class=root_hub, Driver=xhci_hcd/4p, 5000M