SSH无法登录，登录提示异常

问题描述：

昨天使用ssh 登录设备提示密码过期，修改新密码后登录正常。期间有两三次从新登录（注：最后一次登录时未出现自动超时登出情况，一直保持在线状态）准备操作时设备出现异常登出，登出后就再也登录不上了，并提示如下告警信息。

登录失败提示日志：

The host key is saved automatically, for you have set the session properties [SSH - Save host key at first connection].

Password: ************

Failed to login because the idle timer expired.

Connection closing...Socket close.

Connection closed by foreign host.

Disconnected from remote host(xxxx(SSH)@10.1.200.120) at 09:07:21.

Type `help' to learn how to use Xshell prompt.

[C:\~]$ 

型号版本：

H3C Comware Software, Version 7.1.070, Release 6328P03

Copyright (c) 2004-2021 New H3C Technologies Co., Ltd. All rights reserved.

H3C S5560S-28P-SI 

SSH相关配置：

  ssh server enable

  ssh user xxxxxx service-type all authentication-type any

  ssh user xxx service-type all authentication-type any

  ssh user xxxx service-type all authentication-type any

 #

  password-control enable 

  undo password-control history enable 

  password-control composition type-number 3 type-length 1

  undo password-control complexity user-name check

 #