Cross-DC bandwidth-saving broken

        // Multimap that holds onto all the messages and addresses meant for a specific datacenter
        Map<String, Multimap<Message, InetAddress>> dcMessages

                    Multimap<Message, InetAddress> messages = dcMessages.get(dc);
...
                    messages.put(producer.getMessage(Gossiper.instance.getVersion(destination)), destination);

                    Multimap<MessageOut, InetAddress> messages = dcMessages.get(dc);
...
                    messages.put(rm.createMessage(), destination);