This container can be pulled via:
  docker pull registry.opensuse.org/virtualization/containerfile/kubevirt/virt-synchronization-controller:1.8.0
  docker pull registry.opensuse.org/virtualization/containerfile/kubevirt/virt-synchronization-controller:1.8.0-Virt.1699.217.31
  docker pull registry.opensuse.org/virtualization/containerfile/kubevirt/virt-synchronization-controller:1.8.0.Virt.1699.1.268

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.