This container can be pulled via:
  docker pull registry.opensuse.org/opensuse/factory/arm/totest/containers/kubic/flannel:0.14.0
  docker pull registry.opensuse.org/opensuse/factory/arm/totest/containers/kubic/flannel:0.14.0-6.249
  docker pull registry.opensuse.org/opensuse/factory/arm/totest/containers/kubic/flannel:latest

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.