CORD-1845: Update backend messages to match new scheme (backend_status and
backend_code instead of backend_status alone)

Change-Id: Idb8b6e1f6b4f993e262491238e98018b4f603399
diff --git a/xos/synchronizer/steps/sync_controller_networks.py b/xos/synchronizer/steps/sync_controller_networks.py
index 64601cf..8f8f358 100644
--- a/xos/synchronizer/steps/sync_controller_networks.py
+++ b/xos/synchronizer/steps/sync_controller_networks.py
@@ -114,7 +114,8 @@
         controller_network.net_id = network_id
         controller_network.subnet = self.cidr
         controller_network.subnet_id = subnet_id
-	controller_network.backend_status = '1 - OK'
+	controller_network.backend_status = 'OK'
+	controller_network.backend_code = 1
         if not controller_network.segmentation_id:
             controller_network.segmentation_id = str(self.get_segmentation_id(controller_network))
         controller_network.save()