[CORD-1650]
Refactor interface/bridge handling

Change-Id: I83fd9eb3e8440ba277b7b4d1ed41cb18347b6916
diff --git a/roles/dhcpd/defaults/main.yml b/roles/dhcpd/defaults/main.yml
index 9772910..51e15b7 100644
--- a/roles/dhcpd/defaults/main.yml
+++ b/roles/dhcpd/defaults/main.yml
@@ -18,7 +18,7 @@
 site_name: placeholder-sitename
 site_suffix: "{{ site_name }}.test"
 
-management_net_cidr: "192.168.200.0/24"
+management_net_cidr: "10.1.0.0/24"
 
 vtn_net_management_host_cidr: "{{ management_net_cidr }}"