This container can be pulled via:
  docker pull registry.opensuse.org/opensuse/factory/totest/containers/kubevirt/virt-exportserver:1.3.0
  docker pull registry.opensuse.org/opensuse/factory/totest/containers/kubevirt/virt-exportserver:1.3.0-1.1
  docker pull registry.opensuse.org/opensuse/factory/totest/containers/kubevirt/virt-exportserver:1.3.0.5.133

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.