This seems to be due to eventlet monkey-patching[1]
[1] https://github.com/openstack/neutron/blob/master/neutron/cmd/eventlet/__init__.py#L15
This seems to be due to eventlet monkey-patching[1]
[1] https:/ /github. com/openstack/ neutron/ blob/master/ neutron/ cmd/eventlet/ __init_ _.py#L15