This container can be pulled via:
  docker pull registry.opensuse.org/kubevirt/virt-handler:1.5.2
  docker pull registry.opensuse.org/kubevirt/virt-handler:1.5.2-2.1
  docker pull registry.opensuse.org/kubevirt/virt-handler:1.5.2.19.276

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.