When I run "podman rm -a", there is the warning.
$ podman rm -a
WARN[0000] cannot toggle freezer: cgroups not configured for container
WARN[0000] cannot toggle freezer: cgroups not configured for container
WARN[0000] lstat : no such file or directory
$ podman version
Client: Podman Engine
Version: 4.0.2
API Version: 4.0.2
Go Version: go1.16.13
Git Commit: c99f9f1b6960b98158b7f5fc4e6b5ac1a10b3542
Built: Wed Mar 23 18:33:41 2022
OS/Arch: linux/amd64