Milk-V Duo. USB Internet configuration without RJ45

Hi everyone! I just finished commiting my first open source code for Milk-V Duo
Recently I bought Milkv-V Duo 64M board without Ethernet adapter with RJ45. And installed official OS image


This is a companion discussion topic for the original entry at http://forum.sophgo.com/t/milk-v-duo-usb-internet-configuration-without-rj45/479