This container can be pulled via:
  docker pull registry.opensuse.org/virtualization/containers/images/opensuse-tumbleweed/container_zsystems/opensuse/tumbleweed-dnf:20260921
  docker pull registry.opensuse.org/virtualization/containers/images/opensuse-tumbleweed/container_zsystems/opensuse/tumbleweed-dnf:20260921.15.57
  docker pull registry.opensuse.org/virtualization/containers/images/opensuse-tumbleweed/container_zsystems/opensuse/tumbleweed-dnf:latest

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.