Comment 2 for bug 1381700

Seems that this is related to python-neutronclient as well.

There should be a class declaration of FloatingIPNotFoundClient in https://github.com/openstack/python-neutronclient/blob/master/neutronclient/common/exceptions.py.

Then heat can handle this as a known not-found exception here:

http://git.openstack.org/cgit/openstack/heat/tree/heat/engine/clients/os/neutron.py#n51