yes much more success now 
Samba count provider seems to be running!
Still quite some errors in the logs, (see end of gist) as said was able to add an user.
The initial installation of the node pulls in two images from ghcr.io/nethserver/ (loki and ldapproxy),
$ podman image list --all
REPOSITORY TAG IMAGE ID CREATED SIZE
ghcr.io/nethserver/traefik 2.1.0 39961d94bd8d 9 days ago 132 kB
ghcr.io/tbaile/core main a68ba2b77818 10 days ago 139 MB
ghcr.io/tbaile/redis main 6df53c5d2d03 10 days ago 42.8 MB
ghcr.io/tbaile/rsync main 2b3a46ae2be6 10 days ago 9.48 MB
ghcr.io/tbaile/restic main f287a15011df 10 days ago 86.1 MB
ghcr.io/nethserver/ldapproxy 1.0.0 22e5405803da 2 months ago 26.8 kB
docker.io/grafana/promtail 2.9.2 c04c05a00c6c 2 months ago 193 MB
ghcr.io/nethserver/loki 1.0.0 9ccb9414fb0a 6 months ago 22.2 kB
that can no be right … or is it?