),

      ztunnelXdsConnections:
        self.query(
          'XDS Connection Terminations ({{pod}})',
          sum(rate(labels('istio_xds_connection_terminations_total', podLabels)), by=['pod'])
        ),

      ztunnelXdsMessages:
        self.query(
          '{{url}}',
          sum(irate(labels('istio_xds_message_total', podLabels)), by=['url'])

            {
               "datasource": {
                  "type": "prometheus",
                  "uid": "$datasource"
               },
               "expr": "sum by (pod) (rate(istio_xds_connection_terminations_total{pod=~\"ztunnel-.*\"}[$__rate_interval]))",
               "legendFormat": "XDS Connection Terminations ({{pod}})"
            }
         ],
         "title": "XDS Connections",