“roll up” the /32s into a larger prefix. Defaults to 32. Works for
                  IPv4 addresses.
                format: int32
                minimum: 1
                type: integer
              aggregationLengthV6:
                default: 128
                description: The aggregation-length advertisement option lets you
                  “roll up” the /128s into a larger prefix. Defaults to 128. Works

            },
            {
              "datasource": {
                "type": "prometheus",
                "uid": "${datasource}"
              },
              "expr": "sum(increase(envoy_server_hot_restart_epoch[1m]))",
              "format": "time_series",
              "intervalFactor": 1,
              "legendFormat": "Envoy Restarts",
              "refId": "B"
            }
          ],