bot不定时BotOfflineEvent.Dropped

[Narumi]

版本：mirai 2.13.2 mcl版本2.1.1
可以排除网络问题，其他同时挂着旧版本mirai2.8和gocq的机器人一切运转正常未报错，只有这个mirai2.13.2的成天报错，还有一定概率不reconnect，直接摆烂。

2022-12-30 09:47:08 V/Bot.*QQid*: Event: BotOfflineEvent.Dropped(bot=Bot(*QQid*), cause=NettyChannelException(message=null, cause=null), reconnect=true)
2022-12-30 09:47:08 W/Bot.*QQid*: Connection lost, reconnecting... (NettyChannelException(message=null, cause=null))
2022-12-30 09:47:08 I/Bot.*QQid*: Saved account secrets to local cache for fast login.
2022-12-30 09:47:08 I/Bot.*QQid*: Login successful.
2022-12-30 09:47:08 V/Bot.*QQid*: Event: BotOnlineEvent(bot=Bot(*QQid*))
2022-12-30 09:47:08 I/Bot.*QQid*: Reconnected successfully in 0.215s.
2022-12-30 09:47:08 V/Bot.*QQid*: Event: BotReloginEvent(bot=Bot(*QQid*), cause=null)
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