fix(zmq): change identity from id to uuid (#1857)

jina/peapods/zmq/__init__.py

@@ -38,7 +38,7 @@ def __init__(self, args: 'argparse.Namespace', logger: 'JinaLogger' = None, ctrl
         :param logger: the logger to use
         """
         self.args = args
-        self.identity = hex(id(self))
+        self.identity = random_identity()
         self.name = args.name or self.__class__.__name__
         self.logger = logger
         self.send_recv_kwargs = vars(args)