This container can be pulled via:
  docker pull registry.opensuse.org/opensuse/factory/totest/containers/kubevirt/virt-synchronization-controller:1.7.0
  docker pull registry.opensuse.org/opensuse/factory/totest/containers/kubevirt/virt-synchronization-controller:1.7.0-1.1
  docker pull registry.opensuse.org/opensuse/factory/totest/containers/kubevirt/virt-synchronization-controller:1.7.0.1.120

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.