
We should be managing the network configuration with os-net-config or elsewhere so we should not be providing a nameserver in resolv.conf in overcloud images. This element will be used to ensure that the resolv.conf of the overcloud-full image should not contain any nameservers. Change-Id: If8c44137d120059b356675a074e3af23ea63a6f8 Partial-Bug: #1749756