The USB hardware ID refers to a Corechip SR9900 USB 2.0 to Fast Ethernet Adapter
If your adapter is not recognized or has no connection, follow these steps: usb vid-0fe6 amp-pid-9900
While it lacks the brand recognition of Intel or Realtek, this ID is almost universally associated with the USB-to-Ethernet controller (commonly found in generic "USB 2.0 LAN Adapters"). The USB hardware ID refers to a Corechip SR9900 USB 2