Golang broken pipe message

pipe.go

package main

import (
	"fmt"
	"net"
	"os"
	"syscall"
	"time"
)

func main() {
	syscall.Unlink("/tmp/test.sock")
	ln, err := net.Listen("unix", "/tmp/test.sock")
	if err != nil {
		fmt.Println(err)
	}
	go func() {
		for {
			_, err := ln.Accept()
			syscall.Kill(syscall.Getpid(), syscall.SIGPIPE)

			if err != nil {
				fmt.Println(err)
			}
			fmt.Println("accepted")
		}
	}()
	conn, err := net.Dial("unix", "/tmp/test.sock")
	if err != nil {
		fmt.Println(err)
	}
	buffer := make([]byte, 10000000000)
	for {
		fmt.Println("writing")
		go func() {
			_, err = conn.Write(buffer)
			if err != nil {
				if val, ok := err.(*net.OpError); ok {
					if val2, ok := val.Err.(*os.SyscallError); ok {
						if val3, ok := val2.Err.(syscall.Errno); ok {
							if val3 == syscall.EPIPE {
								fmt.Println("Monitor client disconnected")
							}
						}
					}
				}
			}
		}()
		go func() {
			time.Sleep(5 * time.Millisecond)
			syscall.Unlink("/tmp/test.sock")
		}()
	}
	time.Sleep(5 * time.Second)
	syscall.Unlink("/tmp/test.sock")
}