fix NameError
diff --git a/plstackapi/core/models/subnet.py b/plstackapi/core/models/subnet.py
index dcc9c6b..2e10ae1 100644
--- a/plstackapi/core/models/subnet.py
+++ b/plstackapi/core/models/subnet.py
@@ -31,7 +31,7 @@
             # add subnet as interface to slice's router
             driver.add_router_interface(self.slice.router_id, self.subnet_id)
             #add_route = 'route add -net %s dev br-ex gw 10.100.0.5' % self.cidr
-            commands.getstatusoutput(add_route)
+            #commands.getstatusoutput(add_route)
 
         super(Subnet, self).save(*args, **kwds)
 
@@ -41,5 +41,5 @@
             driver.delete_router_interface(self.slice.router_id, self.subnet_id) 
             driver.delete_subnet(self.subnet_id)
             #del_route = 'route del -net %s' % self.cidr 
-        commands.getstatusoutput(del_route)
+            #commands.getstatusoutput(del_route)
         super(Subnet, self).delete(*args, **kwds)