You Reply:1. what windows10 computer did you use? LattePanda or not? can you try it in other windows device?
Lattepanda Alpha. Attaching the streaming cable (server side) to another Win10 PC causes the same error.
2. in Ubuntu, can you see a new USB ethernet adapter in setting->ethernet panel?
Yes, the client side detects the Lattepanda and shows an adapter.
3. in windows10 device manager, how many new devices can you see when you plug the streaming cable?
Only an unknown usb device