There are some various user scheme options. You may be interested in this if you are requiring access to /proc
So yes, I think you could.. and it's nice being able to copy around an image (you can clone, export, import) them very easily.
GitHub
systemd-nspawn: add option to disable masking paths in /proc · Issue #34226 · systemd/systemd
Component systemd-nspawn Is your feature request related to a problem? Please describe It is currently not possible to run podman containers inside...