docs: def clear_all_stats(self, *ports):
          """ Clear all statistic counters (port, streams and packet groups) on list of ports.
  
          :param ports: list of ports to clear.
          """
  
          port_list = self.set_ports_list(*ports)
          self.api.call_rc('ixClearStats {}'.format(port_list))
          self.api.call_rc('ixClearPacketGroups {}'.format(port_list))