Ensure that the legacy network-scripts package is present
Ensure that the legacy network-scripts package is present

The lxc_hosts ansible role currently relies on the ifup / ifdown
commands.

Change-Id: I3adb4dd75198935c4656d0208043ad8051f29312

openstack/openstack-ansible-lxc_hosts,openstack/openstack-ansible-lxc_hosts