exporter will quit when ConnectionResetError raises.

[perillaroc]

2018-03-26 21:30:57.729643 reconnect ssh
Traceback (most recent call last):
  File "/usr/local/bin/loadleveler_class_exporter", line 11, in <module>
    load_entry_point('nwpc-hpc-exporter==0.1.0', 'console_scripts', 'loadleveler_class_exporter')()
  File "/usr/local/lib/python3.6/site-packages/click-6.7-py3.6.egg/click/core.py", line 722, in __call__
    return self.main(*args, **kwargs)
  File "/usr/local/lib/python3.6/site-packages/click-6.7-py3.6.egg/click/core.py", line 697, in main
    rv = self.invoke(ctx)
  File "/usr/local/lib/python3.6/site-packages/click-6.7-py3.6.egg/click/core.py", line 895, in invoke
    return ctx.invoke(self.callback, **ctx.params)
  File "/usr/local/lib/python3.6/site-packages/click-6.7-py3.6.egg/click/core.py", line 535, in invoke
    return callback(*args, **kwargs)
  File "/usr/local/lib/python3.6/site-packages/nwpc_hpc_exporter-0.1.0-py3.6.egg/nwpc_hpc_exporter/loadleveler_class/exporter.py", line 83, in main
  File "/usr/local/lib/python3.6/site-packages/nwpc_hpc_exporter-0.1.0-py3.6.egg/nwpc_hpc_exporter/loadleveler_class/exporter.py", line 37, in process_request
  File "/usr/local/lib/python3.6/site-packages/nwpc_hpc_exporter-0.1.0-py3.6.egg/nwpc_hpc_exporter/loadleveler_class/collector.py", line 44, in get_result
  File "/usr/local/lib/python3.6/site-packages/nwpc_hpc_exporter-0.1.0-py3.6.egg/nwpc_hpc_exporter/loadleveler_class/collector.py", line 36, in run_command
  File "/usr/local/lib/python3.6/site-packages/paramiko-2.4.0-py3.6.egg/paramiko/client.py", line 480, in exec_command
    chan = self._transport.open_session(timeout=timeout)
  File "/usr/local/lib/python3.6/site-packages/paramiko-2.4.0-py3.6.egg/paramiko/transport.py", line 767, in open_session
    timeout=timeout)
  File "/usr/local/lib/python3.6/site-packages/paramiko-2.4.0-py3.6.egg/paramiko/transport.py", line 891, in open_channel
    raise e
  File "/usr/local/lib/python3.6/site-packages/paramiko-2.4.0-py3.6.egg/paramiko/transport.py", line 1872, in run
    ptype, m = self.packetizer.read_message()
  File "/usr/local/lib/python3.6/site-packages/paramiko-2.4.0-py3.6.egg/paramiko/packet.py", line 426, in read_message
    header = self.read_all(self.__block_size_in, check_rekey=True)
  File "/usr/local/lib/python3.6/site-packages/paramiko-2.4.0-py3.6.egg/paramiko/packet.py", line 274, in read_all
    x = self.__socket.recv(n)
ConnectionResetError: [Errno 104] Connection reset by peer