static void deletePortsStats(struct port_stats *stats) {
  struct port_stats *current_port, *tmp;

  HASH_ITER(hh, stats, current_port, tmp) {
    HASH_DEL(stats, current_port);
    freeIpTree(current_port->addr_tree);
    free(current_port);
  }
}
static void deletePortsStats(struct port_stats *stats) {
  struct port_stats *current_port, *tmp;

  HASH_ITER(hh, stats, current_port, tmp) {
    HASH_DEL(stats, current_port);
    freeIpTree(current_port->addr_tree);
    free(current_port);
  }
}