code: def clearAllowList(self):
          
          print '%s call clearAllowList' % self.port
  
          # remove all entries in whitelist
          try:
              print 'clearing whitelist entries:'
              for addr in self._addressfilterSet:
                  print addr
  
              # disable whitelist
              if self.__setAddressfilterMode('disable'):
                  self._addressfilterMode = 'disable'
                  # clear ops
                  cmd = WPANCTL_CMD + 'insert MAC:Whitelist:Entries'
                  if self.__sendCommand(cmd)[0] != 'Fail':
                      self._addressfilterSet.clear()
                      return True
              return False
          except Exception, e:
              ModuleHelper.WriteIntoDebugLogger('clearAllowList() Error: ' + str(e))
docs: clear all entries in whitelist table
  
          Returns:
              True: successful to clear the whitelist
              False: fail to clear the whitelist