lbls[label.ServiceCanonicalName.Name] = md["CANONICAL_SERVICE"]
	lbls[label.ServiceCanonicalRevision.Name] = md["CANONICAL_REVISION"]
	if labelsJSON, err := json.Marshal(lbls); err == nil {
		md["ISTIO_METAJSON_LABELS"] = string(labelsJSON)
	}

	// TODO the defaults should be controlled by meshConfig/proxyConfig; if flags not given to the command proxyCOnfig takes precedence
	if dnsCapture {