+int vnet_lisp_map_register_fallback_threshold_set (u32 value);
+u32 vnet_lisp_map_register_fallback_threshold_get (void);
+u32 *vnet_lisp_ndp_bds_get (void);
+lisp_api_ndp_entry_t *vnet_lisp_ndp_entries_get_by_bd (u32 bd);
+u32 vnet_lisp_set_transport_protocol (u8 protocol);
+lisp_transport_protocol_t vnet_lisp_get_transport_protocol (void);