python code create socket reuseaddr with subprocess and reuseaddr + reuseport

socket_fork.py

import os

import socket

s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEPORT, 1)
print('create socket')

s.bind(('0.0.0.0', 19823))
print('bind')

s.listen(5)
print('listen')

pid = os.fork()

while True:
    conn_socket, addr = s.accept()
    print('conn_socket={} addr={} pid={}'.format(conn_socket, addr, os.getpid()))
    conn_socket.send(b'msg from pid={}'.format(os.getpid()))
    conn_socket.close()

test.sh

nc 127.0.0.1 19823