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[OpenStack Infra <1813540@xxxxxxxxxxxxxxxxxx>]

Reviewed:  https://review.openstack.org/634412
Committed: https://git.openstack.org/cgit/openstack/neutron/commit/?id=414bdd4c5997886c97d0e3a0b19c684dafeabb7a
Submitter: Zuul
Branch:    master

commit 414bdd4c5997886c97d0e3a0b19c684dafeabb7a
Author: Slawek Kaplonski <skaplons@xxxxxxxxxx>
Date:   Fri Feb 1 14:42:23 2019 +0100

    Don't specify exactly IP in portforwarding functional test
    
    In Port Forwarding functional tests, port is created in setUp()
    method. This port had specified exactly IP address and subnet to use.
    This was proposed in [1] to fix issue when new port created in same
    subnet got sometimes IP address outside of subnet range.
    Unfortunatelly that fix was not enough and caused other issues
    as sometimes this "fixed" IP address used for port might be
    used e.g. by router_interface port and that caused sometimes
    "409 conflict" response from Neutron sometimes.
    
    This patch adds additional method in
    neutron.tests.unit.db.test_db_base_plugin_v2 module to find first
    free IP address from given subnet.
    This method is now used in port forwarding tests module to choose
    IP address for second created port in the subnet so there should be
    no conflicts with IP addresses anymore.
    
    [1] https://review.openstack.org/#/c/631815
    
    Change-Id: Iee2f72acf6814a0f8f76d240862429a8b63c3b09
    Closes-bug: #1813540


** Changed in: neutron
       Status: In Progress => Fix Released

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https://bugs.launchpad.net/bugs/1813540

Title:
  Functional test
  neutron.tests.functional.services.portforwarding.test_port_forwarding.PortForwardingTestCase.test_concurrent_create_port_forwarding_delete_port
  fails

Status in neutron:
  Fix Released

Bug description:
  Unit test
  neutron.tests.functional.services.portforwarding.test_port_forwarding.PortForwardingTestCase.test_concurrent_create_port_forwarding_delete_port
  is failing from time to time since few days.

  Example of failure http://logs.openstack.org/57/628057/5/gate/neutron-
  functional/3994c7a/logs/testr_results.html.gz

  Logstash query:
  http://logstash.openstack.org/#dashboard/file/logstash.json?query=message%3A%5C%22line%20110%2C%20in%20_prepare_env%5C%22%20AND%20project%3A%5C%22openstack%2Fneutron%5C%22

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