How to use the aexpect.Spawn function in aexpect

status, result = commands.getstatusoutput(
            "teamnl team2 setoption mode activebackup")
        if status == 0:
            self.nfail += 1
            raise error.TestError(
                '\n teamnl succeeded to setoption. No ports can be present during mode change')
        else:
            logging.info(
                '\n teamnl succeeded to identify no ports can be present during mode change.')

        # Remove ports and try
        utils.system("teamdctl team2 port remove veth0")
        utils.system("teamdctl team2 port remove veth1")

        # Testing monitor
        p = aexpect.Spawn('teamnl team2 monitor all')
        os.system("teamnl team2 setoption mode activebackup")
        teamnl_getopt = utils.system_output("teamnl team2 getoption mode")
        if "activebackup" not in teamnl_getopt:
            self.nfail += 1
            raise error.TestError('\n teamnl setoption failed')
        output_aexpect = p.get_output()
        p.close()
        if "mode activebackup changed" not in output_aexpect:
            self.nfail += 1
            raise error.TestError(
                '\n teamnl monitor failed to detect mode change')

test.update(self_dict)
                test_iterations = int(test.get("iterations", 1))
                status = run_test_func("kvm", params=test,
                                       tag=test.get("shortname"),
                                       iterations=test_iterations)
                w.write("done %s %s\n" % (test_index, status))
                w.write("ready\n")

            # The scheduler wants this worker to free its used resources
            elif cmd[0] == "cleanup":
                env_filename = os.path.join(self.bindir, self_dict["env"])
                env = utils_misc.Env(env_filename)
                for obj in env.values():
                    if isinstance(obj, virt_vm.BaseVM):
                        obj.destroy()
                    elif isinstance(obj, aexpect.Spawn):
                        obj.close()
                env.save()
                w.write("cleanup_done\n")
                w.write("ready\n")

            # There's no more work for this worker
            elif cmd[0] == "terminate":
                break

test.update(self_dict)
                test_iterations = int(test.get("iterations", 1))
                status = run_test_func("kvm", params=test,
                                       tag=test.get("shortname"),
                                       iterations=test_iterations)
                w.write("done %s %s\n" % (test_index, status))
                w.write("ready\n")

            # The scheduler wants this worker to free its used resources
            elif cmd[0] == "cleanup":
                env_filename = os.path.join(self.bindir, self_dict["env"])
                env = utils_misc.Env(env_filename)
                for obj in env.values():
                    if isinstance(obj, virt_vm.BaseVM):
                        obj.destroy()
                    elif isinstance(obj, aexpect.Spawn):
                        obj.close()
                env.save()
                w.write("cleanup_done\n")
                w.write("ready\n")

            # There's no more work for this worker
            elif cmd[0] == "terminate":
                break

test.update(self_dict)
                test_iterations = int(test.get("iterations", 1))
                status = run_test_func("kvm", params=test,
                                       tag=test.get("shortname"),
                                       iterations=test_iterations)
                w.write("done %s %s\n" % (test_index, status))
                w.write("ready\n")

            # The scheduler wants this worker to free its used resources
            elif cmd[0] == "cleanup":
                env_filename = os.path.join(self.bindir, self_dict["env"])
                env = utils_env.Env(env_filename)
                for obj in list(env.values()):
                    if isinstance(obj, virt_vm.BaseVM):
                        obj.destroy()
                    elif isinstance(obj, aexpect.Spawn):
                        obj.close()
                env.save()
                w.write("cleanup_done\n")
                w.write("ready\n")

            # There's no more work for this worker
            elif cmd[0] == "terminate":
                break