docs: def _handle_aes(self, data):
          '''
          Process a command sent via an AES key
  
          :param str load: Encrypted payload
          :return: The result of passing the load to a function in AESFuncs corresponding to
                   the command specified in the load's 'cmd' key.
          '''
          if 'cmd' not in data:
              log.error('Received malformed command %s', data)
              return {}
          cmd = data['cmd']
          log.trace('AES payload received with command %s', data['cmd'])
          if cmd.startswith('__'):
              return False
          if self.opts['master_stats']:
              start = time.time()
  
          def run_func(data):
              return self.aes_funcs.run_func(data['cmd'], data)
  
          with StackContext(functools.partial(RequestContext,
                                              {'data': data,
                                               'opts': self.opts})):
              ret = run_func(data)
  
          if self.opts['master_stats']:
              stats = salt.utils.event.update_stats(self.stats, start, data)
              self._post_stats(stats)
          return ret