环境：
Zookeeper on computer A,
Mesos master on computer B as Leader,
Mesos master on computer C,
Marathon on computer B singleton.
行动：
Kill Mesos master task on computer B, attempt to change mesos cluster leader
结果：
Mesos cluster leader change to mesos master on computer C,
But Marathon task on computer auto shutdown with following logs.
问题：
有人可以帮我为什么马拉松下来？以及如何解决它！
日志：
I1109 12:19:10.010197 11287 detector.cpp:152] Detected a new leader: (id='9')
I1109 12:19:10.010646 11291 group.cpp:699] Trying to get '/mesos/json.info_0000000009' in ZooKeeper
I1109 12:19:10.013425 11292 zookeeper.cpp:262] A new leading master (UPID=master@10.4.23.55:5050) is detected
[2017-11-09 12:19:10,015] WARN Disconnected (mesosphere.marathon.MarathonScheduler:Thread-23)
I1109 12:19:10.018977 11292 sched.cpp:2021] Asked to stop the driver
I1109 12:19:10.019161 11292 sched.cpp:336] New master detected at master@10.4.23.55:5050
I1109 12:19:10.019892 11292 sched.cpp:1203] Stopping framework d52cbd8c-1015-4d94-8328-e418876ca5b2-0000
[2017-11-09 12:19:10,020] INFO Driver future completed with result=Success(()). (mesosphere.marathon.MarathonSchedulerService:ForkJoinPool-3-worker-5)
[2017-11-09 12:19:10,022] INFO Abdicating leadership (mesosphere.marathon.core.election.impl.CuratorElectionService:ForkJoinPool-3-worker-5)
[2017-11-09 12:19:10,022] INFO Stopping the election service (mesosphere.marathon.core.election.impl.CuratorElectionService:ForkJoinPool-3-worker-5)
[2017-11-09 12:19:10,029] INFO backgroundOperationsLoop exiting (org.apache.curator.framework.imps.CuratorFrameworkImpl:Curator-Framework-0)
[2017-11-09 12:19:10,061] INFO Session: 0x15f710ffb010058 closed (org.apache.zookeeper.ZooKeeper:ForkJoinPool-3-worker-5)
[2017-11-09 12:19:10,061] INFO EventThread shut down for session: 0x15f710ffb010058 (org.apache.zookeeper.ClientCnxn:pool-3-thread-1-EventThread)
[2017-11-09 12:19:10,063] INFO Stopping MarathonSchedulerService [RUNNING]'s leadership (mesosphere.marathon.core.election.impl.CuratorElectionService:ForkJoinPool-3-worker-5)
[2017-11-09 12:19:10,063] INFO Lost leadership (mesosphere.marathon.MarathonSchedulerService:ForkJoinPool-3-worker-5)
[2017-11-09 12:19:10,066] INFO All actors suspended:
* Actor[akka://marathon/user/offerMatcherStatistics#-1904211014]
* Actor[akka://marathon/user/reviveOffersWhenWanted#-238627718]
* Actor[akka://marathon/user/expungeOverdueLostTasks#608979053]
* Actor[akka://marathon/user/launchQueue#803590575]
* Actor[akka://marathon/user/offersWantedForReconciliation#598482724]
* Actor[akka://marathon/user/offerMatcherLaunchTokens#813230776]
* Actor[akka://marathon/user/offerMatcherManager#1205401692]
* Actor[akka://marathon/user/instanceTracker#1055980147]
* Actor[akka://marathon/user/killOverdueStagedTasks#-40058350]
* Actor[akka://marathon/user/taskKillServiceActor#-602552505]
* Actor[akka://marathon/user/rateLimiter#-911383474]
* Actor[akka://marathon/user/deploymentManager#2013376325] (mesosphere.marathon.core.leadership.impl.LeadershipCoordinatorActor:marathon-akka.actor.default-dispatcher-10)
I1109 12:19:10.069551 11272 sched.cpp:2021] Asked to stop the driver
[2017-11-09 12:19:10,068] INFO Stopping driver (mesosphere.marathon.MarathonSchedulerService:ForkJoinPool-3-worker-5)
[2017-11-09 12:19:10,069] INFO Stopped MarathonSchedulerService [RUNNING]'s leadership (mesosphere.marathon.core.election.impl.CuratorElectionService:ForkJoinPool-3-worker-5)
[2017-11-09 12:19:10,070] INFO Terminating due to leadership abdication or failure (mesosphere.marathon.core.election.impl.CuratorElectionService:ForkJoinPool-3-worker-5)
[2017-11-09 12:19:10,071] INFO Call postDriverRuns callbacks on (mesosphere.marathon.MarathonSchedulerService:ForkJoinPool-3-worker-5)
[2017-11-09 12:19:10,074] INFO Now standing by. Closing existing handles and rejecting new. (mesosphere.marathon.core.event.impl.stream.HttpEventStreamActor:marathon-akka.actor.default-dispatcher-12)
[2017-11-09 12:19:10,074] INFO Suspending scheduler actor (mesosphere.marathon.MarathonSchedulerActor:marathon-akka.actor.default-dispatcher-2)
[2017-11-09 12:19:10,083] INFO Finished postDriverRuns callbacks (mesosphere.marathon.MarathonSchedulerService:ForkJoinPool-3-worker-5)
[2017-11-09 12:19:10,084] INFO ExpungeOverdueLostTasksActor has stopped (mesosphere.marathon.core.task.jobs.impl.ExpungeOverdueLostTasksActor:marathon-akka.actor.default-dispatcher-9)
[1]+ Exit 137