diff --git a/postservice/31-one-netmng b/postservice/31-one-netmng
index e41b9bf..4f366fa 100755
--- a/postservice/31-one-netmng
+++ b/postservice/31-one-netmng
@@ -271,7 +271,7 @@ class OneNetworkL2(OneNetwork):
             template.write('VLAN_TAGGED_ID = "{0}""\n'.format(self.trunk))
 
         template.write('BRIDGE = {0}\n'.format(self.swname))
-        if self.net_size:
+        if update is False and self.net_size:
             template.write("AR=[\n")
             template.write('  TYPE = "ETHER",\n')