When the client's clean_session is set to false, after a normal disconnection, but the start_keep_alive_timer method is already running？

[fikersd]

No description provided.

[TheWaWaR]

Sounds like a long exists bug, will check this out.

[fikersd]

start_keep_alive_timer running still works on the previous client ID.

New inner client ID are only generated here. When clean session is false, the previous client ID is reused. If the client does not publish a ping or other packet after going online, the client will be kicked.