Cloudkitty-api-error

2018-11-15 13:37:32.329 26812 CRITICAL cloudkitty [req-f8778891-e45f-4a4a-8a7a-3c282a568996 f2a59aa144e44aa8b89a717c2ac4bcd8 c5ac1729bbd44556b6ee9ec39db50079 default - -] Unhandled error: IOError: [Errno 5] Input/output error
2018-11-15 13:37:32.329 26812 ERROR cloudkitty Traceback (most recent call last):
2018-11-15 13:37:32.329 26812 ERROR cloudkitty   File "/usr/local/bin/cloudkitty-api", line 45, in <module>
2018-11-15 13:37:32.329 26812 ERROR cloudkitty     server.serve_forever()
2018-11-15 13:37:32.329 26812 ERROR cloudkitty   File "/usr/lib/python2.7/SocketServer.py", line 233, in serve_forever
2018-11-15 13:37:32.329 26812 ERROR cloudkitty     self._handle_request_noblock()
2018-11-15 13:37:32.329 26812 ERROR cloudkitty   File "/usr/lib/python2.7/SocketServer.py", line 292, in _handle_request_noblock
2018-11-15 13:37:32.329 26812 ERROR cloudkitty     self.handle_error(request, client_address)
2018-11-15 13:37:32.329 26812 ERROR cloudkitty   File "/usr/lib/python2.7/SocketServer.py", line 351, in handle_error
2018-11-15 13:37:32.329 26812 ERROR cloudkitty     traceback.print_exc() # XXX But this goes to stderr!
2018-11-15 13:37:32.329 26812 ERROR cloudkitty   File "/usr/lib/python2.7/traceback.py", line 233, in print_exc
2018-11-15 13:37:32.329 26812 ERROR cloudkitty     print_exception(etype, value, tb, limit, file)
2018-11-15 13:37:32.329 26812 ERROR cloudkitty   File "/usr/lib/python2.7/traceback.py", line 124, in print_exception
2018-11-15 13:37:32.329 26812 ERROR cloudkitty     _print(file, 'Traceback (most recent call last):')
2018-11-15 13:37:32.329 26812 ERROR cloudkitty   File "/usr/lib/python2.7/traceback.py", line 13, in _print
2018-11-15 13:37:32.329 26812 ERROR cloudkitty     file.write(str+terminator)
2018-11-15 13:37:32.329 26812 ERROR cloudkitty IOError: [Errno 5] Input/output error
2018-11-15 13:37:32.329 26812 ERROR cloudkitty