private HandlerBundle CreateBundle(IMessageHandler handler, ISubscription subs = null, IMessage message = null)
        {
            Logger.LogInfo("Activating handler, topic = " + (subs.IsNull() ? "Not known" : subs.Topic.Name) + ", channel = " + (subs.IsNull() ? "Not known" : subs.ChannelMonicker));
            handler.Initialize();
            HandlerBundle bundle = new HandlerBundle {
                Handler     = handler,
                HostingTask = Task.Run(async() => {
                    IMessageHandler processor = handler as IMessageHandler;
                    // Can be null if being hydrated
                    if (subs.IsNotNull())
                    {
                        processor.Accept(subs, message);
                    }
                    while (processor.Viable)
                    {
                        if (processor.IsWorking)
                        {
                            await Task.Delay(TaskDelay);
                        }
                        else
                        {
                            await processor.Work();
                        }
                    }
                })
            };

            return(bundle);
        }