}
@Override
- public List<ListenableFuture<Void>> call() throws Exception {
+ public List<ListenableFuture<Void>> call() {
final List<ListenableFuture<Void>> futures = new ArrayList<>();
java.util.Optional<Long> monitorIdOptional = AlivenessMonitorUtils.getMonitorIdFromInterface(macEntry);
monitorIdOptional.ifPresent(monitorId -> {