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[Alan Pevec <1235435@xxxxxxxxxxxxxxxxxx>]

** Also affects: nova/havana
   Importance: Undecided
       Status: New

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https://bugs.launchpad.net/bugs/1235435

Title:
  'SubnetInUse: Unable to complete operation on subnet UUID. One or more
  ports have an IP allocation from this subnet.'

Status in OpenStack Neutron (virtual network service):
  Invalid
Status in OpenStack Compute (Nova):
  Fix Released
Status in OpenStack Compute (nova) havana series:
  Fix Committed
Status in Tempest:
  Invalid

Bug description:
  Occasional tempest failure:

  http://logs.openstack.org/86/49086/2/gate/gate-tempest-devstack-vm-
  neutron-isolated/ce14ceb/testr_results.html.gz

  ft3.1: tearDownClass (tempest.scenario.test_network_basic_ops.TestNetworkBasicOps)_StringException: Traceback (most recent call last):
    File "tempest/scenario/manager.py", line 239, in tearDownClass
      thing.delete()
    File "tempest/api/network/common.py", line 71, in delete
      self.client.delete_subnet(self.id)
    File "/opt/stack/new/python-neutronclient/neutronclient/v2_0/client.py", line 112, in with_params
      ret = self.function(instance, *args, **kwargs)
    File "/opt/stack/new/python-neutronclient/neutronclient/v2_0/client.py", line 380, in delete_subnet
      return self.delete(self.subnet_path % (subnet))
    File "/opt/stack/new/python-neutronclient/neutronclient/v2_0/client.py", line 1233, in delete
      headers=headers, params=params)
    File "/opt/stack/new/python-neutronclient/neutronclient/v2_0/client.py", line 1222, in retry_request
      headers=headers, params=params)
    File "/opt/stack/new/python-neutronclient/neutronclient/v2_0/client.py", line 1165, in do_request
      self._handle_fault_response(status_code, replybody)
    File "/opt/stack/new/python-neutronclient/neutronclient/v2_0/client.py", line 1135, in _handle_fault_response
      exception_handler_v20(status_code, des_error_body)
    File "/opt/stack/new/python-neutronclient/neutronclient/v2_0/client.py", line 97, in exception_handler_v20
      message=msg)
  NeutronClientException: 409-{u'NeutronError': {u'message': u'Unable to complete operation on subnet 9e820b02-bfe2-47e3-b186-21c5644bc9cf. One or more ports have an IP allocation from this subnet.', u'type': u'SubnetInUse', u'detail': u''}}

  
  logstash query:

  @message:"One or more ports have an IP allocation from this subnet"
  AND @fields.filename:"logs/screen-q-svc.txt" and @message:"
  SubnetInUse: Unable to complete operation on subnet"


  http://logstash.openstack.org/#eyJzZWFyY2giOiJAbWVzc2FnZTpcIk9uZSBvciBtb3JlIHBvcnRzIGhhdmUgYW4gSVAgYWxsb2NhdGlvbiBmcm9tIHRoaXMgc3VibmV0XCIgQU5EIEBmaWVsZHMuZmlsZW5hbWU6XCJsb2dzL3NjcmVlbi1xLXN2Yy50eHRcIiBhbmQgQG1lc3NhZ2U6XCIgU3VibmV0SW5Vc2U6IFVuYWJsZSB0byBjb21wbGV0ZSBvcGVyYXRpb24gb24gc3VibmV0XCIiLCJmaWVsZHMiOltdLCJvZmZzZXQiOjAsInRpbWVmcmFtZSI6IjYwNDgwMCIsImdyYXBobW9kZSI6ImNvdW50IiwidGltZSI6eyJ1c2VyX2ludGVydmFsIjowfSwic3RhbXAiOjEzODA5MTY1NDUxODcsIm1vZGUiOiIiLCJhbmFseXplX2ZpZWxkIjoiIn0=

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