diff --git a/kvmagent/kvmagent/plugins/tf_net_userdata_plugin.py b/kvmagent/kvmagent/plugins/tf_net_userdata_plugin.py
index efe7433e3f9b5ab30897c1ca4f4197ff3babb74c..c8eab3a90912ca718bb893bb9d2ae9e237898c2f 100644
--- a/kvmagent/kvmagent/plugins/tf_net_userdata_plugin.py
+++ b/kvmagent/kvmagent/plugins/tf_net_userdata_plugin.py
@@ -243,9 +243,9 @@ class TfNetProviderUserdata(kvmagent.KvmAgent):
         linux.mkdir('/var/log/lighttpd', 0o750)
         # restart lighttpd to load new configuration
         shell.call('lighttpd -f %s' % conf_path)
-        if not linux.wait_callback_success(check, None, 5):
+        if not linux.wait_callback_success(check, None, 10):
             raise Exception('lighttpd[conf-file:%s] is not running '
-                            'after being started %s seconds' % (conf_path, 5))
+                            'after being started %s seconds' % (conf_path, 10))
 
     @kvmagent.replyerror
     def release_userdata_for_tf(self, req):
diff --git a/kvmagent/kvmagent/plugins/vm_plugin.py b/kvmagent/kvmagent/plugins/vm_plugin.py
index 4b2f7cd776b466eb3071f1650631fc73a4b7cf97..ea7a3b6407b4b34e96a60da6897ef9de662b88a8 100644
--- a/kvmagent/kvmagent/plugins/vm_plugin.py
+++ b/kvmagent/kvmagent/plugins/vm_plugin.py
@@ -5533,6 +5533,15 @@ class VmPlugin(kvmagent.KvmAgent):
         try:
             self._record_operation(cmd.uuid, self.VM_OP_STOP)
             self._stop_vm(cmd)
+            # notify vrouter agent nic removed from source host
+            for nic in cmd.nics:
+                if nic.type == 'TFVNIC':
+                    vrouter_cmd = [
+                        'vrouter-port-control',
+                        '--oper=delete',
+                        '--uuid=%s' % transform_to_tf_uuid(nic.uuid)
+                    ]
+                    notify_vrouter(vrouter_cmd)
             logger.debug("successfully stopped vm[uuid:%s]" % cmd.uuid)
         except kvmagent.KvmError as e:
             logger.warn(linux.get_exception_stacktrace())
@@ -5599,6 +5608,15 @@ class VmPlugin(kvmagent.KvmAgent):
             if vm:
                 vm.destroy()
                 ovs.OvsCtl().freeVdpa(cmd.uuid)
+                # notify vrouter agent nic removed from source host
+                for nic in cmd.vmNics:
+                    if nic.type == 'TFVNIC':
+                        vrouter_cmd = [
+                            'vrouter-port-control',
+                            '--oper=delete',
+                            '--uuid=%s' % transform_to_tf_uuid(nic.uuid)
+                        ]
+                        notify_vrouter(vrouter_cmd)
                 logger.debug('successfully destroyed vm[uuid:%s]' % cmd.uuid)
         except kvmagent.KvmError as e:
             logger.warn(linux.get_exception_stacktrace())