fix bug when more than one management interface

Change-Id: I1ff3533f44c01b270b2f9e42befd1eb9d629aaad
diff --git a/xos/synchronizer/steps/sync_instances.py b/xos/synchronizer/steps/sync_instances.py
index 6e4f481..92b621f 100644
--- a/xos/synchronizer/steps/sync_instances.py
+++ b/xos/synchronizer/steps/sync_instances.py
@@ -51,7 +51,7 @@
                     nics.remove(nic)
 
         # move the management network to the second spot
-        for net in nics[:]:
+        for nic in nics[:]:
             network=nic.get("network", None)
             if network:
                 tem = network.template