Given the timing of the spike, this is probably the culprit:
https://github.com/openstack/neutron/commit/bd5373b670cdd7f21f8a1ece98fde6be9fda71ab
Given the timing of the spike, this is probably the culprit:
https:/ /github. com/openstack/ neutron/ commit/ bd5373b670cdd7f 21f8a1ece98fde6 be9fda71ab