How to deal with the Configuration Conflict for user ns #4132
Description
Description
Nowadays, when we let the container to join an existing user or time namespace, we should not provide uidMappings, gidMappings, and timeOffsets configurations. But if these configurations are provided, how to deal with it? Error it out, or warn it out?
Steps to reproduce the issue
Please see #3985 (review)
Describe the results you received and expected
Let most upstream projects work fine.
What version of runc are you using?
The main branch
Host OS information
No response
Host kernel information
No response