entry.length = pinfo->nd_opt_pi_prefix_len;
entry.valid = ntohl(pinfo->nd_opt_pi_valid_time);
entry.preferred = ntohl(pinfo->nd_opt_pi_preferred_time);
entry.length = pinfo->nd_opt_pi_prefix_len;
entry.valid = ntohl(pinfo->nd_opt_pi_valid_time);
entry.preferred = ntohl(pinfo->nd_opt_pi_preferred_time);