2019-07-22 06:25:15.082 44336 ERROR nova.compute.manager [instance: 77365f8c-87d9-43f6-8aab-8219ddcc26a6]     self.network_api.get_instance_nw_info(context, instance)
2019-07-22 06:25:15.082 44336 ERROR nova.compute.manager [instance: 77365f8c-87d9-43f6-8aab-8219ddcc26a6]   File "/usr/lib/python2.7/dist-packages/nova/network/base_api.py", line 249, in get_instance_nw_info
2019-07-22 06:25:15.082 44336 ERROR nova.compute.manager [instance: 77365f8c-87d9-43f6-8aab-8219ddcc26a6]     result = self._get_instance_nw_info(context, instance, **kwargs)
2019-07-22 06:25:15.082 44336 ERROR nova.compute.manager [instance: 77365f8c-87d9-43f6-8aab-8219ddcc26a6]   File "/usr/lib/python2.7/dist-packages/nova/network/neutronv2/api.py", line 1392, in _get_instance_nw_info
2019-07-22 06:25:15.082 44336 ERROR nova.compute.manager [instance: 77365f8c-87d9-43f6-8aab-8219ddcc26a6]     refresh_vif_id)
2019-07-22 06:25:15.082 44336 ERROR nova.compute.manager [instance: 77365f8c-87d9-43f6-8aab-8219ddcc26a6]   File "/usr/lib/python2.7/dist-packages/nova/network/neutronv2/api.py", line 2392, in _build_network_info_model
2019-07-22 06:25:15.082 44336 ERROR nova.compute.manager [instance: 77365f8c-87d9-43f6-8aab-8219ddcc26a6]     data = client.list_ports(**search_opts)
2019-07-22 06:25:15.082 44336 ERROR nova.compute.manager [instance: 77365f8c-87d9-43f6-8aab-8219ddcc26a6]   File "/usr/lib/python2.7/dist-packages/nova/network/neutronv2/api.py", line 114, in wrapper
2019-07-22 06:25:15.082 44336 ERROR nova.compute.manager [instance: 77365f8c-87d9-43f6-8aab-8219ddcc26a6]     ret = obj(*args, **kwargs)
2019-07-22 06:25:15.082 44336 ERROR nova.compute.manager [instance: 77365f8c-87d9-43f6-8aab-8219ddcc26a6]   File "/usr/lib/python2.7/dist-packages/neutronclient/v2_0/client.py", line 786, in list_ports
2019-07-22 06:25:15.082 44336 ERROR nova.compute.manager [instance: 77365f8c-87d9-43f6-8aab-8219ddcc26a6]     **_params)
2019-07-22 06:25:15.082 44336 ERROR nova.compute.manager [instance: 77365f8c-87d9-43f6-8aab-8219ddcc26a6]   File "/usr/lib/python2.7/dist-packages/nova/network/neutronv2/api.py", line 114, in wrapper
2019-07-22 06:25:15.082 44336 ERROR nova.compute.manager [instance: 77365f8c-87d9-43f6-8aab-8219ddcc26a6]     ret = obj(*args, **kwargs)
2019-07-22 06:25:15.082 44336 ERROR nova.compute.manager [instance: 77365f8c-87d9-43f6-8aab-8219ddcc26a6]   File "/usr/lib/python2.7/dist-packages/neutronclient/v2_0/client.py", line 369, in list
2019-07-22 06:25:15.082 44336 ERROR nova.compute.manager [instance: 77365f8c-87d9-43f6-8aab-8219ddcc26a6]     for r in self._pagination(collection, path, **params):
2019-07-22 06:25:15.082 44336 ERROR nova.compute.manager [instance: 77365f8c-87d9-43f6-8aab-8219ddcc26a6]   File "/usr/lib/python2.7/dist-packages/neutronclient/v2_0/client.py", line 384, in _pagination
2019-07-22 06:25:15.082 44336 ERROR nova.compute.manager [instance: 77365f8c-87d9-43f6-8aab-8219ddcc26a6]     res = self.get(path, params=params)
2019-07-22 06:25:15.082 44336 ERROR nova.compute.manager [instance: 77365f8c-87d9-43f6-8aab-8219ddcc26a6]   File "/usr/lib/python2.7/dist-packages/nova/network/neutronv2/api.py", line 114, in wrapper
2019-07-22 06:25:15.082 44336 ERROR nova.compute.manager [instance: 77365f8c-87d9-43f6-8aab-8219ddcc26a6]     ret = obj(*args, **kwargs)
2019-07-22 06:25:15.082 44336 ERROR nova.compute.manager [instance: 77365f8c-87d9-43f6-8aab-8219ddcc26a6]   File "/usr/lib/python2.7/dist-packages/neutronclient/v2_0/client.py", line 354, in get
2019-07-22 06:25:15.082 44336 ERROR nova.compute.manager [instance: 77365f8c-87d9-43f6-8aab-8219ddcc26a6]     headers=headers, params=params)
2019-07-22 06:25:15.082 44336 ERROR nova.compute.manager [instance: 77365f8c-87d9-43f6-8aab-8219ddcc26a6]   File "/usr/lib/python2.7/dist-packages/nova/network/neutronv2/api.py", line 114, in wrapper
2019-07-22 06:25:15.082 44336 ERROR nova.compute.manager [instance: 77365f8c-87d9-43f6-8aab-8219ddcc26a6]     ret = obj(*args, **kwargs)
2019-07-22 06:25:15.082 44336 ERROR nova.compute.manager [instance: 77365f8c-87d9-43f6-8aab-8219ddcc26a6]   File "/usr/lib/python2.7/dist-packages/neutronclient/v2_0/client.py", line 331, in retry_request
2019-07-22 06:25:15.082 44336 ERROR nova.compute.manager [instance: 77365f8c-87d9-43f6-8aab-8219ddcc26a6]     headers=headers, params=params)
2019-07-22 06:25:15.082 44336 ERROR nova.compute.manager [instance: 77365f8c-87d9-43f6-8aab-8219ddcc26a6]   File "/usr/lib/python2.7/dist-packages/nova/network/neutronv2/api.py", line 114, in wrapper
2019-07-22 06:25:15.082 44336 ERROR nova.compute.manager [instance: 77365f8c-87d9-43f6-8aab-8219ddcc26a6]     ret = obj(*args, **kwargs)
2019-07-22 06:25:15.082 44336 ERROR nova.compute.manager [instance: 77365f8c-87d9-43f6-8aab-8219ddcc26a6]   File "/usr/lib/python2.7/dist-packages/neutronclient/v2_0/client.py", line 294, in do_request
2019-07-22 06:25:15.082 44336 ERROR nova.compute.manager [instance: 77365f8c-87d9-43f6-8aab-8219ddcc26a6]     self._handle_fault_response(status_code, replybody, resp)
2019-07-22 06:25:15.082 44336 ERROR nova.compute.manager [instance: 77365f8c-87d9-43f6-8aab-8219ddcc26a6]   File "/usr/lib/python2.7/dist-packages/nova/network/neutronv2/api.py", line 114, in wrapper
2019-07-22 06:25:15.082 44336 ERROR nova.compute.manager [instance: 77365f8c-87d9-43f6-8aab-8219ddcc26a6]     ret = obj(*args, **kwargs)
2019-07-22 06:25:15.082 44336 ERROR nova.compute.manager [instance: 77365f8c-87d9-43f6-8aab-8219ddcc26a6]   File "/usr/lib/python2.7/dist-packages/neutronclient/v2_0/client.py", line 269, in _handle_fault_response
2019-07-22 06:25:15.082 44336 ERROR nova.compute.manager [instance: 77365f8c-87d9-43f6-8aab-8219ddcc26a6]     exception_handler_v20(status_code, error_body)
2019-07-22 06:25:15.082 44336 ERROR nova.compute.manager [instance: 77365f8c-87d9-43f6-8aab-8219ddcc26a6]   File "/usr/lib/python2.7/dist-packages/neutronclient/v2_0/client.py", line 93, in exception_handler_v20
2019-07-22 06:25:15.082 44336 ERROR nova.compute.manager [instance: 77365f8c-87d9-43f6-8aab-8219ddcc26a6]     request_ids=request_ids)
2019-07-22 06:25:15.082 44336 ERROR nova.compute.manager [instance: 77365f8c-87d9-43f6-8aab-8219ddcc26a6] ServiceUnavailable: The server is currently unavailable. Please try again at a later time.<br /><br />
2019-07-22 06:25:15.082 44336 ERROR nova.compute.manager [instance: 77365f8c-87d9-43f6-8aab-8219ddcc26a6]
2019-07-22 06:25:15.082 44336 ERROR nova.compute.manager [instance: 77365f8c-87d9-43f6-8aab-8219ddcc26a6]
2019-07-22 06:25:15.082 44336 ERROR nova.compute.manager [instance: 77365f8c-87d9-43f6-8aab-8219ddcc26a6]
2019-07-22 06:25:15.082 44336 ERROR nova.compute.manager [instance: 77365f8c-87d9-43f6-8aab-8219ddcc26a6] Neutron server returns request_ids: ['req-f66671bd-1bd7-4aa1-8ed5-5b88f3a134d8']
2019-07-22 06:25:15.082 44336 ERROR nova.compute.manager [instance: 77365f8c-87d9-43f6-8aab-8219ddcc26a6]
2019-07-22 06:26:10.564 44336 ERROR nova.scheduler.client.report [req-22594f59-fdc3-4ffa-b567-24456d8e1bfd - - - - -] [req-06c69f0b-b842-4db2-9798-ef0788fe9042] Failed to retrieve resource provider tree from placement API for UUID ceced06f-b7f6-4239-82c8-61ed46ec9494. Got 503: {"message": "The server is currently unavailable. Please try again at a later time.<br /><br />\n\n\n", "code": "503 Service Unavailable", "title": "Service Unavailable"}.
2019-07-22 06:26:10.565 44336 ERROR nova.compute.manager [req-22594f59-fdc3-4ffa-b567-24456d8e1bfd - - - - -] Error updating resources for node compute1.maas.: ResourceProviderRetrievalFailed: Failed to get resource provider with UUID ceced06f-b7f6-4239-82c8-61ed46ec9494