+ /* invoke registered callbacks for pair addition */
+ lcp_itf_pair_vft_t *vft;
+
+ vec_foreach (vft, lcp_itf_vfts)
+ {
+ if (vft->pair_add_fn)
+ vft->pair_add_fn (lip);
+ }
+
+ /* set timestamp when pair entered service */
+ lip->lip_create_ts = vlib_time_now (vlib_get_main ());
+