This container can be pulled via:
  docker pull registry.opensuse.org/opensuse/factory/arm/totest/containers/kubic/kube-proxy:v1.22.7
  docker pull registry.opensuse.org/opensuse/factory/arm/totest/containers/kubic/kube-proxy:v1.22.7-2.1612

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.