This container can be pulled via:
  docker pull registry.opensuse.org/devel/bci/16.0/containerfile/bci/bci-base-fips:16.0
  docker pull registry.opensuse.org/devel/bci/16.0/containerfile/bci/bci-base-fips:16.0-3.21

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.