Jails + IPv6 - Postfix no longer starting

Hi,

after updating my system from stable/13-n248919-4ee9fbcd853 to
stable/13-n249006-a04376045dd jails are no longer starting correctly:

1. Postfix fails to start:
fatal: bind xxxx:xxx:xxx:xxx::xx port 25: Can't assign requested address

2. sshd listens only on IPv4 address

If I restart services in the jails all is working again.

A BE with main-n252398-dfb1c97ab97 is OK.

Missing MFC? Any ideas? Or do I have to 'git bisect'?

Thanks.

--
Herbert