[CORD-1650]
Refactor interface/bridge handling

Change-Id: I83fd9eb3e8440ba277b7b4d1ed41cb18347b6916
diff --git a/prep-headnode-playbook.yml b/prep-headnode-playbook.yml
index a49d2ae..eeaa972 100644
--- a/prep-headnode-playbook.yml
+++ b/prep-headnode-playbook.yml
@@ -39,7 +39,7 @@
   roles:
     - { role: interface-config, when: not use_maas }
 
-- name: Networking and DNS server on head node
+- name: DNS server on head node
   hosts: head
   become: yes
   roles:
@@ -71,3 +71,4 @@
   become: yes
   roles:
     - sysctl
+