--- etc/network.subr	2010-06-06 23:33:07.000000000 +0200
+++ etc/network.subr	2010-06-20 19:05:10.000000000 +0200
@@ -1034,7 +1034,7 @@ 
 			esac
 			;;
 		esac
-		ifconfig stf0 create >/dev/null 2>&1
+		ifconfig stf0 create `get_if_var stf0 create_args_IF` >/dev/null 2>&1
 		ifconfig stf0 inet6 2002:${ipv4_in_hexformat}:${stf_interface_ipv6_slaid:-0}:${stf_interface_ipv6_ifid} \
 			prefixlen ${stf_prefixlen}
 		# disallow packets to malicious 6to4 prefix