diff --git a/kvmagent/kvmagent/plugins/vm_plugin.py b/kvmagent/kvmagent/plugins/vm_plugin.py
index 626bc245e7bcbfd64a6b960a8b28c93376ff987a..b9aa8eb60aed55de1fec161f0c33c91e5a77030c 100644
--- a/kvmagent/kvmagent/plugins/vm_plugin.py
+++ b/kvmagent/kvmagent/plugins/vm_plugin.py
@@ -6406,7 +6406,7 @@ class VmPlugin(kvmagent.KvmAgent):
                     '--rx_vlan_id=-1',
                 ]
                 notify_vrouter(vrouter_cmd)
-            elif "delete" == cmd.sugonNicCfg.sugonSdnAction:
+            elif "delete" == cmd.sugonSdnAction:
                 # notify vrouter agent nic removed from dest host when migrate failed
                 # when migrate success, notify vrouter agent removed src host.
                 vrouter_cmd = [