This container can be pulled via:
  docker pull registry.opensuse.org/isv/suse/edge/factory/totest/images/ironic:29.0.4.4
  docker pull registry.opensuse.org/isv/suse/edge/factory/totest/images/ironic:29.0.4.4-187.5

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.