IGC_FILTER_FLAG_USER_DATA
if (rule->filter.match_flags & IGC_FILTER_FLAG_USER_DATA) {
rule->filter.match_flags |= IGC_FILTER_FLAG_USER_DATA;
if ((rule->filter.match_flags & IGC_FILTER_FLAG_USER_DATA) ||
if (rule->filter.match_flags & IGC_FILTER_FLAG_USER_DATA)