[CORD-1650]
Refactor interface/bridge handling

Change-Id: I83fd9eb3e8440ba277b7b4d1ed41cb18347b6916
diff --git a/prep-computenode-playbook.yml b/prep-computenode-playbook.yml
index 5631124..d6beae9 100644
--- a/prep-computenode-playbook.yml
+++ b/prep-computenode-playbook.yml
@@ -1,4 +1,4 @@
-
+---
 # Copyright 2017-present Open Networking Foundation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
@@ -13,8 +13,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-
----
 # prep-computenode-playbook.yml
 # Prepares a compute node on a CORD pod
 
@@ -25,7 +23,7 @@
     - common-prep
     - { role: pki-install, when: not use_maas }
 
-- name: Configure management network
+- name: Configure network interfaces
   hosts: compute
   become: yes
   roles: