"load_assignment": {
          "cluster_name": "sds-grpc",
          "endpoints": [{
            "lb_endpoints": [{
              "endpoint": {
                "address":{
                  "pipe": {
                    "path": "./var/run/secrets/workload-spiffe-uds/socket"
                  }
                }
              }
            }]
          }]
        }
      },
      {

        "load_assignment": {
          "cluster_name": "sds-grpc",
          "endpoints": [{
            "lb_endpoints": [{
              "endpoint": {
                "address":{
                  "pipe": {
                    "path": "./var/run/secrets/workload-spiffe-uds/socket"
                  }
                }
              }
            }]
          }]
        }
      },
      {

        "load_assignment": {
          "cluster_name": "sds-grpc",
          "endpoints": [{
            "lb_endpoints": [{
              "endpoint": {
                "address":{
                  "pipe": {
                    "path": "./var/run/secrets/workload-spiffe-uds/socket"
                  }
                }
              }
            }]
          }]
        }
      },
      {

        "load_assignment": {
          "cluster_name": "sds-grpc",
          "endpoints": [{
            "lb_endpoints": [{
              "endpoint": {
                "address":{
                  "pipe": {
                    "path": "./var/run/secrets/workload-spiffe-uds/socket"
                  }
                }
              }
            }]
          }]
        }
      },
      {

        "load_assignment": {
          "cluster_name": "sds-grpc",
          "endpoints": [{
            "lb_endpoints": [{
              "endpoint": {
                "address":{
                  "pipe": {
                    "path": "./var/run/secrets/workload-spiffe-uds/socket"
                  }
                }
              }
            }]
          }]
        }
      },
      {

				n, err := c.Write(buf[:])
				if err != nil {
					b.Errorf("Write failed: %v", err)
					return
				}

				bytesSent.Add(int64(n))
			}
		}(clients[p])

		// Pipe between server reader and server writer.
		pipe := make(chan byte, 128)

		// Server reader.
		go func(s net.Conn) {
			defer wg.Done()
			var buf [1]byte
			for i := 0; i < N; i++ {
				n, err := s.Read(buf[:])

        "load_assignment": {
          "cluster_name": "sds-grpc",
          "endpoints": [{
            "lb_endpoints": [{
              "endpoint": {
                "address":{
                  "pipe": {
                    "path": "./var/run/secrets/workload-spiffe-uds/socket"
                  }
                }
              }
            }]
          }]
        }
      },
      {

			hook := hookCopyFileRange(t)

			pr1, pw1, err := Pipe()
			if err != nil {
				t.Fatal(err)
			}
			defer pr1.Close()
			defer pw1.Close()

			pr2, pw2, err := Pipe()
			if err != nil {
				t.Fatal(err)
			}
			defer pr2.Close()
			defer pw2.Close()

			// The pipe is empty, and PIPE_BUF is large enough
			// for this, by (POSIX) definition, so there is no

        "load_assignment": {
          "cluster_name": "sds-grpc",
          "endpoints": [{
            "lb_endpoints": [{
              "endpoint": {
                "address":{
                  "pipe": {
                    "path": "./var/run/secrets/workload-spiffe-uds/socket"
                  }
                }
              }
            }]
          }]
        }
      },
      {

        "load_assignment": {
          "cluster_name": "sds-grpc",
          "endpoints": [{
            "lb_endpoints": [{
              "endpoint": {
                "address":{
                  "pipe": {
                    "path": "./var/run/secrets/workload-spiffe-uds/socket"
                  }
                }
              }
            }]
          }]
        }
      },
      {