This container can be pulled via:
  docker pull registry.opensuse.org/devel/openqa/containers16.0/openqa_webui:latest
  docker pull registry.opensuse.org/devel/openqa/containers16.0/opensuse/openqa-webui:5.1770994959.5
  docker pull registry.opensuse.org/devel/openqa/containers16.0/opensuse/openqa-webui:5.1770994959.5.11.6
  docker pull registry.opensuse.org/devel/openqa/containers16.0/opensuse/openqa-webui:latest

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.