sadb_update_sa
rcode = sadb_update_sa(mp, ksi, &buf_pkt, &ahstack->ah_sadb,
rcode = sadb_update_sa(mp, ksi, &buf_pkt, &espstack->esp_sadb,
int sadb_update_sa(mblk_t *, keysock_in_t *, mblk_t **, sadbp_t *,