I'm seeing http://paste.openstack.org/show/76070/ as a possible cause here - although that's only being seen in my local environment with https://review.openstack.org/#/c/87958/ applied.
Introduced by https://github.com/openstack/nova/blob/master/nova/network/api.py#L473 (from https://review.openstack.org/#/c/87019/)
I'm seeing http:// paste.openstack .org/show/ 76070/ as a possible cause here - although that's only being seen in my local environment with https:/ /review. openstack. org/#/c/ 87958/ applied.
Introduced by https:/ /github. com/openstack/ nova/blob/ master/ nova/network/ api.py# L473 (from https:/ /review. openstack. org/#/c/ 87019/)