[network] nova with neutron can not inject ip address to vm

[xhzhf]

Description
===========
With neutron, Although the subnet is not dhcp, we can not inject netconfig to guestos.

Steps to reproduce
==================
create a subnet with disable dhcp.
create a vm with the network and keep config-drive true

Expected result
===============
we can see net config info in directory of content/0000

Actual result
=============
no file of content/0000

Environment
===========
Kilo

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/354616

[Sean Dague (sdague)]

Automatically discovered version kilo in description. If this is incorrect, please update the description to include 'nova version: ...'

[OpenStack Infra (hudson-openstack)]

Change abandoned by Balazs Gibizer (<email address hidden>) on branch: master
Review: https://review.opendev.org/354616
Reason: This is a pretty old patch in merge conflict. Feel free to restore it (or ask gibi on irc to restore it) if you still working on it.