This container can be pulled via:
  docker pull registry.opensuse.org/opensuse/factory/powerpc/totest/containers/opensuse/cockpit-ws:271
  docker pull registry.opensuse.org/opensuse/factory/powerpc/totest/containers/opensuse/cockpit-ws:271-7.120
  docker pull registry.opensuse.org/opensuse/factory/powerpc/totest/containers/opensuse/cockpit-ws:latest

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.