https://bugs.winehq.org/show_bug.cgi?id=37271
--- Comment #3 from Jere Krischel jere@krischel.org --- (In reply to Bruno Jesus from comment #2)
Is it a problem? The program does not work because of it?
Yes, it is a problem - while clients can connect to the "real" ip, when lo0 is up on OSX, artemis, in particular, is unable to accept more than 4 connections. Once lo0 is down, everything behaves normally.