@Ann, do you have https://review.openstack.org/#/c/162260/ applied in the environments you're testing? The issue you're seeing *might* be related to the bug described in https://bugs.launchpad.net/neutron/+bug/1525901 and is mitigated by the patch I linked.
@Ann, do you have https:/ /review. openstack. org/#/c/ 162260/ applied in the environments you're testing? The issue you're seeing *might* be related to the bug described in https:/ /bugs.launchpad .net/neutron/ +bug/1525901 and is mitigated by the patch I linked.