This container can be pulled via:
  docker pull registry.opensuse.org/kubevirt/virt-handler:1.2.2
  docker pull registry.opensuse.org/kubevirt/virt-handler:1.2.2-1.1
  docker pull registry.opensuse.org/kubevirt/virt-handler:1.2.2.16.42

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.