--- openflow-2014-01-21.h	2015-07-23 09:54:17.748479387 -0700
+++ openflow-2013-12-17.h	2015-07-23 09:54:17.752479387 -0700
@@ -1911,6 +1911,7 @@
     OFPBAC_BAD_SET_TYPE       = 13, /* Unsupported type in SET_FIELD action. */
     OFPBAC_BAD_SET_LEN        = 14, /* Length problem in SET_FIELD action. */
     OFPBAC_BAD_SET_ARGUMENT   = 15, /* Bad argument in SET_FIELD action. */
+    OFPBAC_BAD_SET_MASK       = 16, /* Bad mask in SET_FIELD action. */
 };
 
 /* ofp_error_msg 'code' values for OFPET_BAD_INSTRUCTION.  'data' contains at least
@@ -1947,8 +1948,7 @@
                                      or omitted in the match. */
     OFPBMC_BAD_FIELD        = 6,  /* Unsupported field type in the match. */
     OFPBMC_BAD_VALUE        = 7,  /* Unsupported value in a match field. */
-    OFPBMC_BAD_MASK         = 8,  /* Unsupported mask specified in the match,
-                                     field is not dl-address or nw-address. */
+    OFPBMC_BAD_MASK         = 8,  /* Unsupported mask specified in the match. */
     OFPBMC_BAD_PREREQ       = 9,  /* A prerequisite was not met. */
     OFPBMC_DUP_FIELD        = 10, /* A field type was duplicated. */
     OFPBMC_EPERM            = 11, /* Permissions error. */