spontaneously exiting Jail -- jexec or ssh -- FreeBSD 10.3

[Rudy]

> Jails has no concept of 'exiting with error code'.
> Is your shell exits, instead ?
>
> What is the version of the jailed userspace ?  Do you use nss ?
10.3 for userspace...

Some nss...

  # $FreeBSD: src/etc/nsswitch.conf,v 1.3.2.1 2011/09/23 00:51:37 
kensmith Exp $
#passwd: compat
passwd: mysql [success=return notfound=continue unavail=continue 
tryagain=continue] files
> This smells like the issue fixed by r296416/r297673.
>
I'll check it out.

Thanks,
Rudy