nd_ra_curhoplimit
radv->curhoplimit = nd_ra->nd_ra_curhoplimit;
log_debug("\tCur Hop Limit: %u", nd_ra->nd_ra_curhoplimit);
ra->nd_ra_curhoplimit = ra_options_conf->cur_hl;
printf("(chlim=%d, ", (int)p->nd_ra_curhoplimit);