add interface names to classes, although I doubt their usefulness

gatherer/interface_information.sh

@@ -39,6 +39,7 @@ gather_if_info_ip() {
 		no=$1;
 		sub(/:/,"",$2);
 		name=$2;
+		classes=classes "net_iface_" name " ";
 		for (i=3; i<NF; i++) {
 			if ($i == "state") {
 				i++; state=$i