Comment 5 for bug 1691885

Looks to me like a neutron issue. neutron is looking for floatingips for the port/fixed_ip combination[1]. Not sure why? And probably floatingip extension is not available as this message suggests "No controller found for: floatingips - returning response code 404"

[1] 2017-05-22 23:15:41.822 12962 INFO neutron.wsgi [req-e54946bc-b617-4505-b963-d65ff8b65483 b429b29882af4f5b95787f646e860ebc 0fbac869a6d144f7abc7ae92788c9eb5 - default default] 192.168.24.1 "GET /v2.0/floatingips.json?fixed_ip_address=192.168.24.18&port_id=69e79425-38a8-4782-ab29-ed6f7c5ec981 HTTP/1.1" status: 404 len: 285 time: 0.0071950