This container can be pulled via:
  docker pull registry.opensuse.org/kubic/etcd:3.5.0
  docker pull registry.opensuse.org/kubic/etcd:3.5.0-0
  docker pull registry.opensuse.org/kubic/etcd:3.5.0-0.2.314
  docker pull registry.opensuse.org/kubic/etcd:3.5.0-1
  docker pull registry.opensuse.org/kubic/etcd:3.5.0-1.2.314

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.