why won't it set RASvc.name?

utils/he_ipv6/tunnelbroker.py

@@ -204,7 +204,7 @@ class TunnelBroker(object):
             ipr.close()
             raise e
         ipr.close()
-        self.tun.radvd.svc.stop()
+        self.tun.ra.svc.stop()
         return(None)
 
     def update(self):