Use default IFS here

net.Linux/bridge.sh

@@ -54,9 +54,7 @@ bridge_pre_start() {
 		einfo "Adding ports to ${IFACE}"
 		eindent
 
-		local IFS="$__IFS"
 		for x in ${ports}; do
-			unset IFS
 			ebegin "${x}"
 			ifconfig "${x}" promisc up
 			if ! brctl addif "${IFACE}" "${x}" ; then
@@ -66,7 +64,6 @@ bridge_pre_start() {
 			fi
 			eend 0
 		done
-		unset IFS
 		eoutdent
 	fi
 	) || return 1