PF_RT_PKTRATE
snl_add_msg_attr_threshold(nw, PF_RT_PKTRATE, &r->pktrate);
{ .type = PF_RT_PKTRATE, .off = _OUT(r.pktrate), .arg = &pfctl_threshold_parser, .cb = snl_attr_get_nested },
nlattr_add_pf_threshold(nw, PF_RT_PKTRATE, &rule->pktrate);
{ .type = PF_RT_PKTRATE, .off = _OUT(pktrate), .arg = &threshold_parser, .cb = nlattr_get_nested },