Fix command that brings down loopback
diff --git a/networking/ifupdown.c b/networking/ifupdown.c
index b230e1a..301ef67 100644
--- a/networking/ifupdown.c
+++ b/networking/ifupdown.c
@@ -398,7 +398,7 @@
 
 static int loopback_down(interface_defn *ifd, execfn *exec)
 {
-	if (!execute("ifconfig %iface% down", ifd, exec)) {
+	if (!execute("ifconfig %iface% 127.0.0.1 down", ifd, exec)) {
 		return(0);
 	}
 	return(1);