I have been playing with qemu and finally found out how to get networking going for OpenBSD and NetBSD guests. If you are interested, please check out my qemu page. It shows my little Eee PC running 10 operating systems at once!
http://sam.nipl.net/qemu.html The short answer for OpenBSD networking in qemu: config -ef /bsd disable mpbios quit all the best! Sam Watkins