log_debug("start_ls_req_tx_timer: neighbor ID %s", inet_ntoa(nbr->id));
start_ls_req_tx_timer(struct nbr *nbr){	struct timeval tv;	if (nbr == nbr->iface->self)		return (0);	log_debug("start_ls_req_tx_timer: neighbor ID %s", inet_ntoa(nbr->id));	timerclear(&tv);	return (evtimer_add(&nbr->lsreq_tx_timer, &tv));}