ips_rule
if (is1->ips_rule == is->ips_rule)
is->ips_rule = (void *)&is1->ips_rule;
printf("Real rule addr %p\n", is->ips_rule);
if (is1->ips_rule == (frentry_t *)&is->ips_rule)
is1->ips_rule = is->ips_rule;
ips.ips_rule = isn->is_rule;
fr = ips.ips_rule;