[CORD-1650]
Finish changeover to new network configuration variables

Change-Id: I9d96c49e908245d009976ae101ca4b704e8dbab8
diff --git a/prep-headnode-playbook.yml b/prep-headnode-playbook.yml
index baf9a43..3e8e4fd 100644
--- a/prep-headnode-playbook.yml
+++ b/prep-headnode-playbook.yml
@@ -32,7 +32,7 @@
   hosts: head
   become: yes
   roles:
-    - { role: interface-config, when: not use_maas }
+    - interface-config
 
 - name: DNS server on head node
   hosts: head