This container can be pulled via:
  docker pull registry.opensuse.org/kubevirt/virt-controller:1.5.0
  docker pull registry.opensuse.org/kubevirt/virt-controller:1.5.0-1.1
  docker pull registry.opensuse.org/kubevirt/virt-controller:1.5.0.9.337

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.