This container can be pulled via:
  docker pull registry.opensuse.org/isv/suse/edge/metal3/containers/images/baremetal-operator:0.6.1
  docker pull registry.opensuse.org/isv/suse/edge/metal3/containers/images/baremetal-operator:0.6.1-bp156.1.6

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.