Upper left:
/:  Bus 01.Port 1: Dev 1, Class=root_hub, Driver=dwc_otg/1p, 480M
    |__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/4p, 480M
        |__ Port 1: Dev 3, If 0, Class=Hub, Driver=hub/3p, 480M
            |__ Port 1: Dev 7, If 0, Class=Vendor Specific Class, Driver=lan78xx, 480M
            |__ Port 2: Dev 14, If 0, Class=Mass Storage, Driver=usb-storage, 480M


Lower left:
/:  Bus 01.Port 1: Dev 1, Class=root_hub, Driver=dwc_otg/1p, 480M
    |__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/4p, 480M
        |__ Port 1: Dev 3, If 0, Class=Hub, Driver=hub/3p, 480M
            |__ Port 1: Dev 7, If 0, Class=Vendor Specific Class, Driver=lan78xx, 480M
            |__ Port 3: Dev 15, If 0, Class=Mass Storage, Driver=usb-storage, 480M


Upper right:
/:  Bus 01.Port 1: Dev 1, Class=root_hub, Driver=dwc_otg/1p, 480M
    |__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/4p, 480M
        |__ Port 1: Dev 3, If 0, Class=Hub, Driver=hub/3p, 480M
            |__ Port 1: Dev 7, If 0, Class=Vendor Specific Class, Driver=lan78xx, 480M
        |__ Port 3: Dev 16, If 0, Class=Mass Storage, Driver=usb-storage, 480M


Lower right:
lsusb -t
/:  Bus 01.Port 1: Dev 1, Class=root_hub, Driver=dwc_otg/1p, 480M
    |__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/4p, 480M
        |__ Port 1: Dev 3, If 0, Class=Hub, Driver=hub/3p, 480M
            |__ Port 1: Dev 7, If 0, Class=Vendor Specific Class, Driver=lan78xx, 480M
        |__ Port 2: Dev 17, If 0, Class=Mass Storage, Driver=usb-storage, 480M