--- bonding.sh	2012-01-25 12:27:13.296490819 +0100
+++ /lib/rc/net/bonding.sh	2012-01-25 12:27:35.646490856 +0100
@@ -118,6 +118,7 @@
 		/sbin/ifenslave "${IFACE}" ${slaves} >/dev/null
 	fi
 	eend $?
+	unset IFACE
 
 	return 0 #important
 }