docs: def cleanup(self):
          """Gracefully exit the SSH session."""
          self.exit_config_mode()
          self.write_channel("logout" + self.RETURN)
          count = 0
          while count <= 5:
              time.sleep(0.5)
              output = self.read_channel()
              if "Do you want to log out" in output:
                  self._session_log_fin = True
                  self.write_channel("y" + self.RETURN)
              # Don't automatically save the config (user's responsibility)
              elif "Do you want to save the current" in output:
                  self._session_log_fin = True
                  self.write_channel("n" + self.RETURN)
  
              try:
                  self.write_channel(self.RETURN)
              except socket.error:
                  break
              count += 1