This container can be pulled via:
  docker pull registry.opensuse.org/home/illuusio/images/ports_15.2/opensuse/ilmi/buildbot-worker:15.2
  docker pull registry.opensuse.org/home/illuusio/images/ports_15.2/opensuse/ilmi/buildbot-worker:2.8.4
  docker pull registry.opensuse.org/home/illuusio/images/ports_15.2/opensuse/ilmi/buildbot-worker:2.8.4-1.1

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.