See http://git.altlinux.org/people/lakostis/packages/?p=etcnet.git;a=tag;h=refs/tags/0.9.10-alt3.1 for details. The patch is very simple and doesn't affect other parts of the code. Also I've removed excessive checks in ifup-common (is_wireless is useless cause we already have example of non-wireless wpa_supplicant-driven connection).
fixed in etcnet-0.9.10-alt4