code: def test_get_listen_addr_fp(self):
      ifce = get_ifce("docker0")
      network = ipaddress.IPv4Network(
          (ifce.address, ifce.netmask), strict=False
      )
  
      q = fiber.SimpleQueue()
      p = fiber.Process(
          target=wrap_result, args=(q,), name="test_get_listen_addr"
      )
      p.start()
      res = q.get()
      ip = res[0]
      assert ipaddress.IPv4Address(ip) in network
  
      p.join()
      assert p.exitcode == 0
  
imports: import fiber
  import multiprocessing
  import time
  import pytest
  import docker
  import fiber.config
  from fiber.docker_backend import Backend
  from fiber.util import find_ip_by_net_interface
  import psutil
  import ipaddress
  import socket
label_desc: Use image node_id 2 for calling the TestDockerBackend obj's underlying member method code with example usage: obj.test_get_listen_addr_fp() without return types