docs: def master(master=None, connected=True):
      '''
      .. versionadded:: 2014.7.0
  
      Return the connection status with master. Fire an event if the
      connection to master is not as expected. This function is meant to be
      run via a scheduled job from the minion. If master_ip is an FQDN/Hostname,
      it must be resolvable to a valid IPv4 address.
  
      .. versionchanged:: 2016.11.4
          Added support for AIX
  
      CLI Example:
  
      .. code-block:: bash
  
          salt '*' status.master
      '''
      master_ips = None
  
      if master:
          master_ips = salt.utils.network.host_to_ips(master)
  
      if not master_ips:
          return
  
      master_connection_status = False
      port = __salt__['config.get']('publish_port', default=4505)
      connected_ips = salt.utils.network.remote_port_tcp(port)
  
      # Get connection status for master
      for master_ip in master_ips:
          if master_ip in connected_ips:
              master_connection_status = True
              break
  
      # Connection to master is not as expected
      if master_connection_status is not connected:
          event = salt.utils.event.get_event('minion', opts=__opts__, listen=False)
          if master_connection_status:
              event.fire_event({'master': master}, salt.minion.master_event(type='connected'))
          else:
              event.fire_event({'master': master}, salt.minion.master_event(type='disconnected'))
  
      return master_connection_status