This container can be pulled via:
  docker pull registry.opensuse.org/kubevirt/sidecar-shim:1.6.2
  docker pull registry.opensuse.org/kubevirt/sidecar-shim:1.6.2-1.1
  docker pull registry.opensuse.org/kubevirt/sidecar-shim:1.6.2.3.646

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.