Zun: add CNI loopback binary to the image
Zun: add CNI loopback binary to the image

Change-Id: I2d6165c4b7e934c3e6ad32b3de1060d07b792463
Needed-By: https://review.opendev.org/#/c/708213/

stackforge/kolla,stackforge/kolla,stackforge/kolla,openstack/kolla,openstack/kolla