HyperVException: WMI job failed with status 10. Error details: Failed to add device 'Ethernet Connection'

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I am receiving this error in neutron-hyperv-agent.log. I am not able to find what is trigering it, but it is getting logged every minute on compute node.

2018-05-09 11:30:05.789 97740 ERROR hyperv.neutron.hypervneutronagent [-] Exception encountered while processing port 7d73f97d-9424-4b00-9b4b-569815e417be. 2018-05-09 11:30:05.789 97740 ERROR hyperv.neutron.hypervneutronagent Traceback (most recent call last): 2018-05-09 11:30:05.789 97740 ERROR hyperv.neutron.hypervneutronagent File "C:\PROGRA~1\CLOUDB~1\OPENST~1\Nova\Python27\lib\site-packages\hyperv\neutron\hypervneutronagent.py", line 342, in processaddedport 2018-05-09 11:30:05.789 97740 ERROR hyperv.neutron.hypervneutronagent devicedetails['adminstateup']) 2018-05-09 11:30:05.789 97740 ERROR hyperv.neutron.hypervneutronagent File "C:\PROGRA~1\CLOUDB~1\OPENST~1\Nova\Python27\lib\site-packages\hyperv\neutron_commonutils.py", line 35, in wrapper 2018-05-09 11:30:05.789 97740 ERROR hyperv.neutron.hypervneutronagent return inner() 2018-05-09 11:30:05.789 97740 ERROR hyperv.neutron.hypervneutronagent File "C:\PROGRA~1\CLOUDB~1\OPENST~1\Nova\Python27\lib\site-packages\osloconcurrency\lockutils.py", line 271, in inner 2018-05-09 11:30:05.789 97740 ERROR hyperv.neutron.hypervneutronagent return f(args, *kwargs) 2018-05-09 11:30:05.789 97740 ERROR hyperv.neutron.hypervneutronagent File "C:\PROGRA~1\CLOUDB~1\OPENST~1\Nova\Python27\lib\site-packages\hyperv\neutron_commonutils.py", line 34, in inner 2018-05-09 11:30:05.789 97740 ERROR hyperv.neutron.hypervneutronagent return f(*args, **kwargs) 2018-05-09 11:30:05.789 97740 ERROR hyperv.neutron.hypervneutronagent File "C:\PROGRA~1\CLOUDB~1\OPENST~1\Nova\Python27\lib\site-packages\hyperv\neutron\hypervneutronagent.py", line 321, in _treatvifport 2018-05-09 11:30:05.789 97740 ERROR hyperv.neutron.hypervneutronagent physicalnetwork, segmentationid) 2018-05-09 11:30:05.789 97740 ERROR hyperv.neutron.hypervneutronagent File "C:\PROGRA~1\CLOUDB~1\OPENST~1\Nova\Python27\lib\site-packages\hyperv\neutron\hypervneutronagent.py", line 252, in _portbound 2018-05-09 11:30:05.789 97740 ERROR hyperv.neutron.hypervneutronagent self.utils.connectvnictovswitch(map['vswitchname'], portid) 2018-05-09 11:30:05.789 97740 ERROR hyperv.neutron.hypervneutronagent File "C:\PROGRA~1\CLOUDB~1\OPENST~1\Nova\Python27\lib\site-packages\oswin\utils\network\networkutils.py", line 272, in connectvnictovswitch 2018-05-09 11:30:05.789 97740 ERROR hyperv.neutron.hypervneutronagent self.jobutils.addvirtresource(port, vm) 2018-05-09 11:30:05.789 97740 ERROR hyperv.neutron.hypervneutronagent File "C:\PROGRA~1\CLOUDB~1\OPENST~1\Nova\Python27\lib\site-packages\oswin_utils.py", line 182, in inner 2018-05-09 11:30:05.789 97740 ERROR hyperv.neutron.hypervneutronagent time.sleep(sleeptime) 2018-05-09 11:30:05.789 97740 ERROR hyperv.neutron.hypervneutronagent File "C:\PROGRA~1\CLOUDB~1\OPENST~1\Nova\Python27\lib\site-packages\osloutils\excutils.py", line ... (more)