http://bugs.winehq.org/show_bug.cgi?id=9832
--- Comment #10 from Damjan Jovanovic damjan.jov@gmail.com 2007-10-03 02:57:18 --- Created an attachment (id=8361) --> (http://bugs.winehq.org/attachment.cgi?id=8361) silently ignore WS_IP_DONTFRAGMENT
Try this patch, if the other flag also needs work I'll make another.
(BTW error 10035 is a perfectly normal EWOULDBLOCK ;-)