This container can be pulled via:
  docker pull registry.opensuse.org/opensuse/factory/totest/containers/opensuse/openqa_devel:5.1780410522
  docker pull registry.opensuse.org/opensuse/factory/totest/containers/opensuse/openqa_devel:5.1780410522.221.86
  docker pull registry.opensuse.org/opensuse/factory/totest/containers/opensuse/openqa_devel:latest

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.