code: def list_db_attributes(self, table, record=None):
          
          command = ovs_vsctl.VSCtlCommand('list', (table, record))
          self.run_command([command])
          if command.result:
              return command.result
          return []
docs: Lists 'record' (or all records) in 'table'.
  
          This method is corresponding to the following ovs-vsctl command::
  
              $ ovs-vsctl list TBL [REC]