Do not use the same handler for identification on secondary masters.

neo/master/app.py

@@ -373,7 +373,7 @@ class Application(object):
 
         # and another for the future incoming connections
         self.listening_conn.setHandler(
-            identification.IdentificationHandler(self))
+            identification.SecondaryIdentificationHandler(self))
 
         while True:
             self.em.poll(1)

neo/master/handlers/identification.py

@@ -62,3 +62,10 @@ class IdentificationHandler(MasterHandler):
         handler.connectionCompleted(conn)
         app.broadcastNodesInformation([node])
 
+class SecondaryIdentificationHandler(MasterHandler):
+
+    def _setupNode(self, conn, node_type, uuid, address, node):
+        # Nothing to do, storage will disconnect when it receives our answer.
+        # Primary will do the checks.
+        return uuid
+