This container can be pulled via:
  docker pull registry.opensuse.org/opensuse/bci/kiwi:10-18.23
  docker pull registry.opensuse.org/opensuse/bci/kiwi:10.1-18.23
  docker pull registry.opensuse.org/opensuse/bci/kiwi:10.1.11-18.23

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.