[Podman] OCI permission denied

Hi guys. Here are errors from my unsuccessful attempt to create a rootless container, which to novices such as myself are quite cryptic: -> $ podman run -d --restart=always --pod=jat-${HOSTNAME%%.*} --security-opt label=disable --volume /srv/containers/podmania/jat-redis:/data --name redis docker.io/library/redis ERRO[0000] error starting some container dependencies ERRO[0000] "container_linux.go:370: starting container process caused: process_linux.go:459: container init caused: rootfs_linux.go:59: mounting \"sysfs\" to rootfs at \"/sys\" caused: operation not permitted: OCI permission denied" Error: error starting some containers: internal libpod error I'm trying to drop the container into a pod which is rootless too. The error persist also with/in 'Permissive' selinux. Somebody could help decrypt & troubleshoot this? I'm on Centos Steam with: podman-3.0.0-0.33rc2.module_el8.4.0+673+eabfc99d.x86_64 many thanks, L.