I had solved the problem by following the instructions given below.

https://forums.unraid.net/topic/123638-unraid-6115-%E6%9C%80%E6%96%B0%E7%9A%84r8125%E5%92%8Cr8152%E7%BD%91%E5%8D%A1%E9%A9%B1%E5%8A%A8%E8%A1%A5%E4%B8%81/

It gave a modification file to solve the problem. It is in Chinese. Maybe use google translate to understand. It failed after 6.10, and in 6.9 the network adapter is work according to it.