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Description of problem:
Unable to operate with /etc/passwd, /etc/group and others from podman centos7/8 container when running under unprivileged user.

Version-Release number of selected component (if applicable):
Red Hat Enterprise Linux release 8.1 (Ootpa)

How reproducible:
Install and update RHEL 8.1 to the latest updates with "dnf update".

Steps to Reproduce:
1. "dnf update"
2. "dnf install podman"
3. "podman -v" => podman version 1.6.4
4. "adduser test" => login as test
5. "testpodman run -it --rm centos:8 /bin/bash"
6. "[root@2135a6a15a0f /]# adduser user" =>
adduser: /etc/passwd.14: lock file already used
adduser: cannot lock /etc/passwd; try again later.

Actual results:
adduser: /etc/passwd.14: lock file already used
adduser: cannot lock /etc/passwd; try again later.

Expected results:
No errors.

Additional info:
Problem is not reproduced on clean RHEL 8.1 installation without updates and under "root" user.

I think this may be a known (and already fixed) fuse-overlayfs issue; tagging Giuseppe to make sure

it is already tracked here: https://bugzilla.redhat.com/show_bug.cgi?id=1802907

*** This bug has been marked as a duplicate of bug 1802907 ***