This container can be pulled via:
  docker pull registry.opensuse.org/devel/openqa/qem-dashboard/containers/opensuse/qem-dashboard_devel:9.11
  docker pull registry.opensuse.org/devel/openqa/qem-dashboard/containers/opensuse/qem-dashboard_devel:latest

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.