--- openflow-2012-04-03-2.h	2015-07-23 09:54:17.152479362 -0700
+++ openflow-2012-04-12.h	2015-07-23 09:54:17.156479362 -0700
@@ -1709,7 +1709,7 @@
     /* Port description.
      * The request body is empty.
      * The reply body is an array of struct ofp_port. */
-    OFPMP_PORT_DESC = 10,
+    OFPMP_PORT_DESC = 13,
 
     /* Experimenter extension.
      * The request and reply bodies begin with