[Samba] expire date

[Piviul]

I would like to focus in a very little problem concerning samba... in 
all my debian testing members after recents samba updates from 4.13.2 to 
4.13.3 at every logon the system show a warning saying "your password 
will expire in <number> days" where <number> is a number that change at 
every logon and doesn't seems to concern exipring password date. For 
example last logon show the warning "your password will expire in 
5386599 days".

Someone can suggest me some hints to debug this very little annoying bug?

Piviul