code: func (l *RaftLayer) Accept() (net.Conn, error) {
  	select {
  	case conn := <-l.connCh:
  		return conn, nil
  	case <-l.closeCh:
  		return nil, fmt.Errorf("Raft RPC layer closed")
  	}
  }
docs: // Accept is used to return connection which are
  // dialed to be used with the Raft layer