Thanks for picking up.
> It would help us to know if it's just FreeBSD, or just LibreSSL.
It's both LibreSSL on FreeBSD 10.1. Same setup worked fine since months
through serveral versions of Tor (2.6.x and 2.7.x) and LibreSSL (2.2.x
> Maybe mention the bug number on tor-talk, so that poster can provide
tor-relays mailing list