NRPCB_NEED_UPDATE
host->nh_rpcb_state = NRPCB_NEED_UPDATE;
NRPCB_UPDATED : NRPCB_NEED_UPDATE);
if (hostp->nh_rpcb_state == NRPCB_NEED_UPDATE)
hostp->nh_rpcb_state = NRPCB_NEED_UPDATE;
hostp->nh_rpcb_state = NRPCB_NEED_UPDATE;