NeCTARism: Filter floating IP pools based on provider network
NeCTARism: Filter floating IP pools based on provider network

Set:

[neutron]
floating_provider_network_filter = <provider_type>

To only return networks of a certain type via the
nova floating-ip-pool-list command.

Change-Id: I5d2ec87bf1b6721e0dc2ee8a9d1ea90453321d90

NeCTAR-RC/nova,NeCTAR-RC/nova