careful with cookies
diff --git a/olt.py b/olt.py
index 26035c9..115b6df 100644
--- a/olt.py
+++ b/olt.py
@@ -986,7 +986,7 @@
         # push inner vlan (c-vlan) for upstream
         request = ofp.message.flow_add(
             table_id=test_param_get("table", 0),
-            cookie=42,
+            cookie=43,
             match=match,
             instructions=[
                 ofp.instruction.apply_actions(
@@ -1008,7 +1008,7 @@
 
         request = ofp.message.flow_add(
             table_id=test_param_get("table", 1),
-            cookie=43,
+            cookie=44,
             match=match,
             instructions=[
                 ofp.instruction.apply_actions(
@@ -1032,7 +1032,7 @@
         match.oxm_list.append(ofp.oxm.vlan_pcp(0))
         request = ofp.message.flow_add(
             table_id=test_param_get("table", 0),
-            cookie=44,
+            cookie=45,
             match=match,
             instructions=[
                 ofp.instruction.apply_actions(