bd_main_t *bdm = &bd_main;
bdm->bd_index_by_bd_id = hash_create (0, sizeof (uword));
/*
- * create a dummy bd with bd_id of 0 and bd_index of 0 with feature set
+ * create a placeholder bd with bd_id of 0 and bd_index of 0 with feature set
* to packet drop only. Thus, packets received from any L2 interface with
* uninitialized bd_index of 0 can be dropped safely.
*/