Package: podman Version: 3.0.1+dfsg1-3+deb11u1 All `podman` commands produce a lot of warnings on default install.
$ podman version WARN[0000] The cgroupv2 manager is set to systemd but there is no systemd user session available WARN[0000] For using systemd, you may need to login using an user session WARN[0000] Alternatively, you can enable lingering with: `loginctl enable-linger 1000` (possibly as root) WARN[0000] Falling back to --cgroup-manager=cgroupfs WARN[0000] The cgroupv2 manager is set to systemd but there is no systemd user session available WARN[0000] For using systemd, you may need to login using an user session WARN[0000] Alternatively, you can enable lingering with: `loginctl enable-linger 1000` (possibly as root) WARN[0000] Falling back to --cgroup-manager=cgroupfs Version: 3.0.1 API Version: 3.0.0 Go Version: go1.15.15 Built: Thu Jan 1 00:00:00 1970 OS/Arch: linux/amd64 As mentioned in `podman` tracker this is because of missing dependency on `dbus-user-session` https://github.com/containers/podman/issues/12983#issuecomment-1019581809
