Comment 66 for bug 1596075

OK after 3 days, one of the python scripts [4 running in parallel on different clients] hit the same error as heat.

Traceback (most recent call last):
  File "repo.py", line 30, in <module>
    neutron.delete_network(i)
  File "/cephfs/home/don/src/openstack-client/local/lib/python2.7/site-packages/neutronclient/v2_0/client.py", line 656, in delete_network
    return self.delete(self.network_path % (network))
  File "/cephfs/home/don/src/openstack-client/local/lib/python2.7/site-packages/neutronclient/v2_0/client.py", line 338, in delete
    headers=headers, params=params)
  File "/cephfs/home/don/src/openstack-client/local/lib/python2.7/site-packages/neutronclient/v2_0/client.py", line 319, in retry_request
    headers=headers, params=params)
  File "/cephfs/home/don/src/openstack-client/local/lib/python2.7/site-packages/neutronclient/v2_0/client.py", line 282, in do_request
    self._handle_fault_response(status_code, replybody, resp)
  File "/cephfs/home/don/src/openstack-client/local/lib/python2.7/site-packages/neutronclient/v2_0/client.py", line 257, in _handle_fault_response
    exception_handler_v20(status_code, error_body)
  File "/cephfs/home/don/src/openstack-client/local/lib/python2.7/site-packages/neutronclient/v2_0/client.py", line 84, in exception_handler_v20
    request_ids=request_ids)
neutronclient.common.exceptions.InternalServerError: Request Failed: internal server error while processing your request.
Neutron server returns request_ids: ['req-0e561b63-8667-4e49-8029-0ad0ec0b4ede']

some logs in attached