This container can be pulled via:
  docker pull registry.opensuse.org/home/nbelouin/factory16/images/ironic-ipa-downloader-x86_64:3.0.10
  docker pull registry.opensuse.org/home/nbelouin/factory16/images/ironic-ipa-downloader-x86_64:3.0.10-4.21

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.