fib_ref_nhop
static uint32_t fib_ref_nhop(struct fib_data *fd, struct nhop_object *nh);
if (fib_ref_nhop(fd, ce->nh_new) == 0)
if (fib_ref_nhop(fd, rc->rc_nh_new) == 0) {
if (fib_ref_nhop(w->fd, nh) != 0)