--- openflow-2011-08-31-2.h	2015-07-23 09:54:16.548479338 -0700
+++ openflow-2011-08-31-3.h	2015-07-23 09:54:16.552479338 -0700
@@ -1345,7 +1345,7 @@
     uint32_t exp_type;        /* Experimenter defined. */
     /* Experimenter-defined arbitrary additional data. */
 };
-OFP_ASSERT(sizeof(struct ofp_experimenter_stats_header) == 16);
+OFP_ASSERT(sizeof(struct ofp_experimenter_stats_header) == 8);
 
 /* Experimenter extension. */
 struct ofp_experimenter_header {