fix(Gorgone): fix proxy eating 100% cpu (#1629)

Refs:MON-146862

gorgone/gorgone/modules/core/proxy/class.pm

@@ -498,6 +498,11 @@ sub periodic_exec {
                 target => ''
             });
             $connector->{clients}->{$_}->{class}->close() if (defined($connector->{clients}->{$_}->{class}));
+            # if the connection to the node is not established, we stop listenning for new event for this destination,
+            # so event will be stored in zmq buffer until we start processng them again (see proxy_addnode)
+            # zmq queue have a limit in size (high water mark), so if the node never connect we will loose some message,
+            # stoping us from memory leak or other nasty problem.
+            delete $connector->{watchers}->{$_};
             $connector->{clients}->{$_}->{class} = undef;
             $connector->{clients}->{$_}->{delete} = 0;
             $connector->{clients}->{$_}->{com_read_internal} = 0;