This container can be pulled via:
  docker pull registry.opensuse.org/opensuse/bci/kiwi:10-13.20
  docker pull registry.opensuse.org/opensuse/bci/kiwi:10.1-13.20
  docker pull registry.opensuse.org/opensuse/bci/kiwi:10.1.2
  docker pull registry.opensuse.org/opensuse/bci/kiwi:10.1.2-13.20

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.