akka remoteでの気になるエラー

remote.log

03:09:57.973 [ERROR] Remoting - Association to [akka.tcp://broker@ubuntu:2553] with UID [-1354268361] irrecoverably failed. Quarantining address.
java.lang.IllegalArgumentException: Highest SEQ so far was -1 but cumulative ACK is 3
        at akka.remote.AckedSendBuffer.acknowledge(AckedDelivery.scala:103) ~[akka-remote_2.11-2.3.10.jar:na]
        at akka.remote.ReliableDeliverySupervisor$$anonfun$receive$1.applyOrElse(Endpoint.scala:284) ~[akka-remote_2.11-2.3.10.jar:na]
        ... 11 common frames omitted
Wrapped by: java.lang.IllegalStateException: Error encountered while processing system message acknowledgement buffer: [-1 {}] ack: ACK[3, {}]
        at akka.remote.ReliableDeliverySupervisor$$anonfun$receive$1.applyOrElse(Endpoint.scala:288) ~[akka-remote_2.11-2.3.10.jar:na]
        at akka.actor.Actor$class.aroundReceive(Actor.scala:467) ~[akka-actor_2.11-2.3.10.jar:na]
        at akka.remote.ReliableDeliverySupervisor.aroundReceive(Endpoint.scala:188) ~[akka-remote_2.11-2.3.10.jar:na]
        at akka.actor.ActorCell.receiveMessage(ActorCell.scala:516) [akka-actor_2.11-2.3.10.jar:na]
        at akka.actor.ActorCell.invoke(ActorCell.scala:487) [akka-actor_2.11-2.3.10.jar:na]
        at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:254) [akka-actor_2.11-2.3.10.jar:na]
        at akka.dispatch.Mailbox.run(Mailbox.scala:221) [akka-actor_2.11-2.3.10.jar:na]
        at akka.dispatch.Mailbox.exec(Mailbox.scala:231) [akka-actor_2.11-2.3.10.jar:na]
        at scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260) [scala-library-2.11.6.jar:na]
        at scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339) [scala-library-2.11.6.jar:na]
        at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979) [scala-library-2.11.6.jar:na]
        at scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107) [scala-library-2.11.6.jar:na]