bonding: feature arc may not be enabled for the slave interface

vnet_feature_enable_disable takes sw_if_index, not hw_if_index. If there
is a subinterface created prior to the slave interface is created,
sw_if_index and hw_if_index start to diverge and the problem will happen.

Type: fix

Signed-off-by: Steven Luong <sluong@cisco.com>
Change-Id: I11e1f099378832f83b748526c6cbeb56960fad3c
diff --git a/src/vnet/bonding/cli.c b/src/vnet/bonding/cli.c
index 604cb80..6d0245d 100644
--- a/src/vnet/bonding/cli.c
+++ b/src/vnet/bonding/cli.c
@@ -287,7 +287,7 @@
   bond_disable_collecting_distributing (vm, sif);
 
   vnet_feature_enable_disable ("device-input", "bond-input",
-			       sif_hw->hw_if_index, 0, 0, 0);
+			       sif->sw_if_index, 0, 0, 0);
 
   /* Put back the old mac */
   vnet_hw_interface_change_mac_address (vnm, sif_hw->hw_if_index,
@@ -703,7 +703,7 @@
   }
 
   args->rv = vnet_feature_enable_disable ("device-input", "bond-input",
-					  sif_hw->hw_if_index, 1, 0, 0);
+					  sif->sw_if_index, 1, 0, 0);
 
   if (args->rv)
     {