This container can be pulled via:
  docker pull registry.opensuse.org/isv/suse/edge/sles16.1/images/sles16.1/ironic:35.0.0.2
  docker pull registry.opensuse.org/isv/suse/edge/sles16.1/images/sles16.1/ironic:35.0.0.2-1.6

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.