docs: def tune_in(self):
          '''
          Lock onto the publisher. This is the main event loop for the syndic
          '''
          self._spawn_syndics()
          # Instantiate the local client
          self.local = salt.client.get_local_client(
              self.opts['_minion_conf_file'], io_loop=self.io_loop)
          self.local.event.subscribe('')
  
          log.debug('SyndicManager \'%s\' trying to tune in', self.opts['id'])
  
          # register the event sub to the poller
          self.job_rets = {}
          self.raw_events = []
          self._reset_event_aggregation()
          future = self.local.event.set_event_handler(self._process_event)
          self.io_loop.add_future(future, self.reconnect_event_bus)
  
          # forward events every syndic_event_forward_timeout
          self.forward_events = tornado.ioloop.PeriodicCallback(self._forward_events,
                                                                self.opts['syndic_event_forward_timeout'] * 1000,
                                                                )
          self.forward_events.start()
  
          # Make sure to gracefully handle SIGUSR1
          enable_sigusr1_handler()
  
          self.io_loop.start()