check this pdf
in there it sais:
edit
/Library/Application Support/VMware Fusion/boot.ini
search for en0 and comment out the line:
"$LIBDIR/vmnet-bridge" -d /var/run/vmnet-bridge-vmnet0.pid vmnet0 ''
replace the ” at the end with your interface name like en0 for ethernet or en1 for the wireless adapter
