This container can be pulled via:
  docker pull registry.opensuse.org/network/cluster/containers/containers-15.6/nvidia-driver-container:555.42.06
  docker pull registry.opensuse.org/network/cluster/containers/containers-15.6/nvidia-driver-container:555.42.06-opensuse-leap15.6
  docker pull registry.opensuse.org/network/cluster/containers/containers-15.6/nvidia-driver-container:555.42.06-sles15.6

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.