This container can be pulled via:
  docker pull registry.opensuse.org/opensuse/factory/totest/containers/kubic/flannel:0.11.0
  docker pull registry.opensuse.org/opensuse/factory/totest/containers/kubic/flannel:0.11.0-2.911
  docker pull registry.opensuse.org/opensuse/factory/totest/containers/kubic/flannel:latest

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.