initng was removed from portage and overlays a long time ago, please clean sys-apps/netplug/files/netplug (/etc/netplug.d/netplug).
Created attachment 278221 [details] updated script
+*netplug-1.2.9.2 (03 Oct 2011) + + 03 Oct 2011; Lars Wendler <polynomial-c@gentoo.org> +netplug-1.2.9.2.ebuild, + +files/netplug.2, metadata.xml: + Took over maintenance. Version bump. Thanks to Marco Paolone who reported + this in bug #367227. Removed init-ng support. Thanks to Nikoli who provided a + working script in bug #373107. +