This container can be pulled via:
  docker pull registry.opensuse.org/filesystems/ceph/nautilus/images/cephcsi/cephcsi:2.1.1
  docker pull registry.opensuse.org/filesystems/ceph/nautilus/images/cephcsi/cephcsi:2.1.1.0
  docker pull registry.opensuse.org/filesystems/ceph/nautilus/images/cephcsi/cephcsi:2.1.1.0.5.250
  docker pull registry.opensuse.org/filesystems/ceph/nautilus/images/cephcsi/cephcsi:latest
  docker pull registry.opensuse.org/filesystems/ceph/nautilus/images/cephcsi/cephcsi:leap15.1.nautilus

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.