"pilot_xds_expired_nonce",
		"Total number of XDS requests with an expired nonce.",
	)

	// pilot_total_xds_rejects should be used instead. This is for backwards compatibility
	cdsReject = monitoring.NewGauge(
		"pilot_xds_cds_reject",
		"Pilot rejected CDS configs.",
	)

	// pilot_total_xds_rejects should be used instead. This is for backwards compatibility
	edsReject = monitoring.NewGauge(
		"pilot_xds_eds_reject",

            )
          |||
        ),

      xdsErrors: [
        self.query(
          'Rejected Config ({{type}})',
          |||
            sum by (type) (
              pilot_total_xds_rejects{}
            )
          |||
        ),
        self.query(
          'Internal Errors',
          |||
            pilot_total_xds_internal_errors{}
          |||
        ),

		// Verify that istiod has a stats about rejected ECDS update
		// pilot_total_xds_rejects{type="type.googleapis.com/envoy.config.core.v3.TypedExtensionConfig"}
		retry.UntilSuccessOrFail(t, func() error {
			q := prometheus.Query{Metric: "pilot_total_xds_rejects", Labels: map[string]string{"type": "ecds"}}
			c := to.Config().Cluster

         "targets": [
            {
               "datasource": {
                  "type": "prometheus",
                  "uid": "$datasource"
               },
               "expr": "sum by (type) (\n  pilot_total_xds_rejects{}\n)",
               "legendFormat": "Rejected Config ({{type}})"
            },
            {
               "datasource": {
                  "type": "prometheus",
                  "uid": "$datasource"

h":10,"w":8,"x":0,"y":14},"id":12,"interval":"5s","options":{"legend":{"calcs":["last","max"],"displayMode":"table"}},"pluginVersion":"v11.0.0","targets":[{"datasource":{"type":"prometheus","uid":"$datasource"},"expr":"sum by (type) (\n  pilot_total_xds_rejects{}\n)","legendFormat":"Rejected Config ({{type}})"},{"datasource":{"type":"prometheus","uid":"$datasource"},"expr":"pilot_total_xds_internal_errors{}","legendFormat":"Internal Errors"},{"datasource":{"type":"prometheus","uid":"$datasource"...

"Write Timeouts", "refId": "F" }, { "expr": "sum(rate(pilot_total_xds_internal_errors{app=\"istiod\"}[1m]))", "format": "time_series", "hide": false, "intervalFactor": 1, "legendFormat": "Internal Errors", "refId": "H" }, { "expr": "sum(rate(pilot_total_xds_rejects{app=\"istiod\"}[1m]))", "format": "time_series", "hide": false, "intervalFactor": 1, "legendFormat": "Config Rejection Rate", "refId": "E" }, { "expr": "sum(rate(pilot_xds_push_context_errors{app=\"istiod\"}[1m]))", "format": "time_series",...