This container can be pulled via:
  docker pull registry.opensuse.org/isv/suse/edge/metal3/containers/images/ironic-ipa-downloader:1.3.3
  docker pull registry.opensuse.org/isv/suse/edge/metal3/containers/images/suse/ironic-ipa-downloader:1.3.3

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.