// filter out already started routes
Map<String, RouteService> filtered = new LinkedHashMap<String, RouteService>();
for (Map.Entry<String, RouteService> entry : routeServices.entrySet()) {
boolean startable = false;
Consumer consumer = entry.getValue().getRoutes().iterator().next().getConsumer();
if (consumer instanceof SuspendableService) {
// consumer could be suspended, which is not reflected in the RouteService status
startable = ((SuspendableService) consumer).isSuspended();
}