lwkt_serialize_try
if (!lwkt_serialize_try(ifp->if_serializer))
if (!lwkt_serialize_try(&tdata->tx_serialize))
if (!lwkt_serialize_try(&txr->tx_serialize))
if (!lwkt_serialize_try(&txr->tx_serialize))
return lwkt_serialize_try(ifp->if_serializer);
if (!lwkt_serialize_try(rec->serializer))
!lwkt_serialize_try(rec->serializer))) {
if (!lwkt_serialize_try(rec->serializer))
return lwkt_serialize_try(_ifsq->ifsq_hw_serialize);
int lwkt_serialize_try(lwkt_serialize_t);
if (!lwkt_serialize_try(_arr[_i])) {