This container can be pulled via:
  docker pull registry.opensuse.org/opensuse/virt-pr-helper:1.8
  docker pull registry.opensuse.org/opensuse/virt-pr-helper:1.8.0
  docker pull registry.opensuse.org/opensuse/virt-pr-helper:1.8.0-11.10
  docker pull registry.opensuse.org/opensuse/virt-pr-helper:latest

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.