diff --git a/runtest/network_stress.interface b/runtest/network_stress.interface
index 43d5850..97e9ce3 100644
--- a/runtest/network_stress.interface
+++ b/runtest/network_stress.interface
@@ -2,17 +2,18 @@
 # Stress test for interface
 #
 
-if4-updown  if4-updown
 if4-addr-change if4-addr-change
-if4-alias-adddel  if4-alias-adddel
-if4-alias-addlarge  if4-alias-addlarge
-if4-route-adddel  if4-route-adddel
-if4-route-addlarge  if4-route-addlarge
-if4-mtu-change	if4-mtu-change
 
-if6-updown  if6-updown
-if6-addr-adddel	if6-addr-adddel
-if6-addr-addlarge if6-addr-addlarge
-if6-route-adddel  if6-route-adddel
-if6-route-addlarge if6-route-addlarge
-if6-mtu-change	if6-mtu-change
+if4-updown if-updown
+if4-addr-adddel if-addr-adddel
+if4-addr-addlarge if-addr-addlarge
+if4-route-adddel if-route-adddel
+if4-route-addlarge if-route-addlarge
+if4-mtu-change if-mtu-change
+
+if6-updown if-updown -6
+if6-addr-adddel if-addr-adddel -6
+if6-addr-addlarge if-addr-addlarge -6
+if6-route-adddel if-route-adddel -6
+if6-route-addlarge if-route-addlarge -6
+if6-mtu-change if-mtu-change -6