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Build Identifier: 

Podman's `--group-add keep-groups` flag (`run.oci.keep_original_groups=1`) is useful for inheriting $USER's groups inside the container (see https://www.redhat.com/sysadmin/files-devices-podman). This feature requires `crun` instead of `runc` runtime and it works as expected with Tumbleweed when accessing files. However, since the inherited groups don't actually exist in the container, they're mapped to `nobody` in Fedora while Tumbleweed throws this error:

> $ podman run --group-add keep-groups fedora groups
> root nobody
> 
> $ podman run --group-add keep-groups tumbleweed groups
> root 65534
> groups: cannot find name for group ID 65534

I'm not sure if this behavior is designed this way or if we can improve it somehow :)

Reproducible: Always

Steps to Reproduce:
1. $ zypper install crun podman
2. $ podman run --group-add keep-groups tumbleweed groups
Actual Results:  
root nobody

Expected Results:  
root 65534
groups: cannot find name for group ID 65534

N/A