http://bugs.winehq.org/show_bug.cgi?id=29609
--- Comment #19 from Bruno Jesus 00cpxxx@gmail.com --- Both your logs show:
trace:winsock:WS_gethostname name 0x33fbb4, len 256 trace:winsock:WS_gethostname <- 'alexbox-64'
So I'm not sure you tested without a hostname.