The attribute formerly wasn't working because it is lacking support in
the SDK. The patch to add it[1] introduced a modified spelling, so we
should be matching this here.
Also make sure that the attribute is not shown when displaying subnet
objects, as it is meant to be invisible[2].
[1] I72c0be77d96f3891748cdd69c382211dc20dbf5e
[2] http://git.openstack.org/cgit/openstack/neutron/tree/neutron/extensions/default_subnetpools.py#n23
Change-Id: Ic125b818a6082d76a1114fe89e0b1fcf4c7356b0
Partial-Bug: 1668223
Prepare the OSC "address scope" commands for the SDK refactor.
See [1] for details.
[1] https://etherpad.openstack.org/p/osc-network-command-sdk-support
Change-Id: I4e253e01f9b0b10452354f4e4152468090c76958
Partially-Implements: blueprint network-command-sdk-support
