This container can be pulled via:
  docker pull registry.opensuse.org/home/illuusio/images/images_15.6/opensuse/ilmi/ovpn-admin:15.6
  docker pull registry.opensuse.org/home/illuusio/images/images_15.6/opensuse/ilmi/ovpn-admin:2.0.2
  docker pull registry.opensuse.org/home/illuusio/images/images_15.6/opensuse/ilmi/ovpn-admin:2.0.2-2.30

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.