server and client failed to connect to each other in different docker container

[Allennnn2022]

What happened?

A clear and concise description of what the bug is. I run test_server with：/test_server -a 172.21.112.1 -p 4488 -l e > /dev/null & and test_client with: test_client -a 127.0.0.1 -p 4488 -s 1024000 -l e -E in different docker container, however client fails to connect to the server with error message：

and catch no package in wireshark If I run client with other server ip, it seems to work but still no response, then connection close
differently, I can catch quic packages in wireshark What 's the problem?

Steps To Reproduce

Information and Steps to reproduce the behavior.

Relevant log output

No response

[Kulsk]

when use -a option on test_server, it means test_server will bind fd on that address.

what is the interface and address of the server container? make sure port 4488 is allowed and the interface is right