guest_get_console_output failed with internal error: reader not online

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Here's the error backtrace, error is reported from smutlayer:

[2018-06-05 05:48:47] [ERROR] Failed to get the console output of guest 'T9415276'.
[2018-06-05 05:48:47] [ERROR] (127.0.0.1:40080) Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/zVMCloudConnector-1.1.0-py2.7.egg/zvmsdk/sdkserver.py", line 142, in serve_API
    return_data = api_func(*api_args, **api_kwargs)
  File "/usr/lib/python2.7/site-packages/zVMCloudConnector-1.1.0-py2.7.egg/zvmsdk/api.py", line 62, in inner
    return f(self, *new_args, **kw)
  File "/usr/lib/python2.7/site-packages/zVMCloudConnector-1.1.0-py2.7.egg/zvmsdk/api.py", line 752, in guest_get_console_output
    output = self._vmops.get_console_output(userid)
  File "/usr/lib/python2.7/site-packages/zVMCloudConnector-1.1.0-py2.7.egg/zvmsdk/vmops.py", line 256, in get_console_output
    console_log = self._smutclient.get_user_console_output(userid)
  File "/usr/lib/python2.7/site-packages/zVMCloudConnector-1.1.0-py2.7.egg/zvmsdk/smutclient.py", line 2062, in get_user_console_output
    resp = self._request(rd)
  File "/usr/lib64/python2.7/contextlib.py", line 35, in __exit__
    self.gen.throw(type, value, traceback)
  File "/usr/lib/python2.7/site-packages/zVMCloudConnector-1.1.0-py2.7.egg/zvmsdk/utils.py", line 423, in log_and_reraise_smut_request_failed
    raise exception.SDKSMUTRequestFailed(err.results, msg)
SDKSMUTRequestFailed: Failed to get console log reader file list for guest vm: T9415276. SMUT error: SMUT request failed. RequestData: 'getvm T9415276 consoleoutput', Results: '{'rs': 411, 'errno': 0, 'strError': '', 'overallRC': 4, 'rc': 4, 'response': ['(Error) ULT%s0411E Unable to receive console output file. Reader not online. /sys/bus/ccw/drivers/vmur/0.0.000c/online = 0']}'

[nafeiyang (nafeiy)]

Fix submitted here
https://review.gerrithub.io/c/mfcloud/python-zvm-sdk/+/414118

[nafeiyang (nafeiy)]

Code merged.