code: def raise_flapping_start_log_entry(self, change_ratio, threshold):
          
          if not self.__class__.log_flappings:
              return
  
          brok = make_monitoring_log(
              'info',
              "HOST FLAPPING ALERT: %s;STARTED; Host appears to have started "
              "flapping (%.1f%% change >= %.1f%% threshold)"
              % (self.get_name(), change_ratio, threshold)
          )
          self.broks.append(brok)
docs: Raise HOST FLAPPING ALERT START entry (critical level)
          Format is : "HOST FLAPPING ALERT: *self.get_name()*;STARTED;
                       Host appears to have started
                       flapping (*change_ratio*% change >= *threshold*% threshold)"
          Example : "HOST FLAPPING ALERT: server;STARTED;
                     Host appears to have started
                     flapping (50.6% change >= 50.0% threshold)"
  
          :param change_ratio: percent of changing state
          :type change_ratio: float
          :param threshold: threshold (percent) to trigger this log entry
          :type threshold: float
          :return: None