docker image keeps logging connections that do not exist.

[f1-outsourcing]

2020-07-18 21:15:43,498] DEBUG Reject Elapsed offers. Unprocessed: 0 Overdue:0 (mesosphere.marathon.core.matcher.manager.impl.OfferMatcherManagerActor:marathon-akka.actor.default-dispatcher-8)
[2020-07-18 21:15:44,699] DEBUG Got ping response for sessionid: 0x17362f33390000c after 1ms (org.apache.zookeeper.ClientCnxn:main-SendThread(m01.local:2181))
[2020-07-18 21:15:45,842] DEBUG SocketChannelEndPoint@33860d6f{/192.168.10.219:56991<->/192.168.10.22:7070,OPEN,fill=-,flush=-,to=30000/30000}{io=0/0,kio=0,kro=1}->HttpConnection@7c7cff54[p=HttpParser{s=END,0 of -1},g=HttpGenerator@7f9278c1{s=START}]=>HttpChannelOverHttp@3d41f56f{r=1,c=false,a=ASYNC_WAIT,uri=//test2.local:7070/v2/info} idle timeout check, elapsed: 30000 ms, remaining: 0 ms (org.eclipse.jetty.io.IdleTimeout:Scheduler-910260820)
[2020-07-18 21:15:45,842] DEBUG SocketChannelEndPoint@33860d6f{/192.168.10.219:56991<->/192.168.10.22:7070,OPEN,fill=-,flush=-,to=30001/30000}{io=0/0,kio=0,kro=1}->HttpConnection@7c7cff54[p=HttpParser{s=END,0 of -1},g=HttpGenerator@7f9278c1{s=START}]=>HttpChannelOverHttp@3d41f56f{r=1,c=false,a=ASYNC_WAIT,uri=//test2.local:7070/v2/info} idle timeout expired (org.eclipse.jetty.io.IdleTimeout:Scheduler-910260820)
[2020-07-18 21:15:45,842] DEBUG onFail FillInterest@4dca00d1{null} (org.eclipse.jetty.io.FillInterest:Scheduler-910260820)
java.util.concurrent.TimeoutException: Idle timeout expired: 30000/30000 ms
        at org.eclipse.jetty.io.IdleTimeout.checkIdleTimeout(IdleTimeout.java:166)
        at org.eclipse.jetty.io.IdleTimeout$1.run(IdleTimeout.java:50)
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
        at java.util.concurrent.FutureTask.run(FutureTask.java:266)
        at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
        at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
[2020-07-18 21:15:45,842] DEBUG ignored: WriteFlusher@10928d7a{IDLE}->null (org.eclipse.jetty.io.WriteFlusher:Scheduler-910260820)
java.util.concurrent.TimeoutException: Idle timeout expired: 30000/30000 ms
        at org.eclipse.jetty.io.IdleTimeout.checkIdleTimeout(IdleTimeout.java:166)
        at org.eclipse.jetty.io.IdleTimeout$1.run(IdleTimeout.java:50)
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
        at java.util.concurrent.FutureTask.run(FutureTask.java:266)
        at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
        at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
[2020-07-18 21:15:45,842] DEBUG Ignored idle endpoint SocketChannelEndPoint@33860d6f{/192.168.10.219:56991<->/192.168.10.22:7070,OPEN,fill=-,flush=-,to=30001/30000}{io=0/0,kio=0,kro=1}->HttpConnection@7c7cff54[p=HttpParser{s=END,0 of -1},g=HttpGenerator@7f9278c1{s=START}]=>HttpChannelOverHttp@3d41f56f{r=1,c=false,a=ASYNC_WAIT,uri=//test2.local:7070/v2/info} (org.eclipse.jetty.io.AbstractEndPoint:Scheduler-910260820)
[2020-07-18 21:15:46,498] DEBUG Current State: LaunchTokens:100 OffersWanted:false Matchers:0 OfferQueues:0 UnprocessedOffers:0 (mesosphere.marathon.core.matcher.manager.impl.OfferMatcherManagerActor:marathon-akka.actor.default-dispatcher-5)
[2020-07-18 21:15:46,498] DEBUG Reject Elapsed offers. Unprocessed: 0 Overdue:0 (mesosphere.marathon.core.matcher.manager.impl.OfferMatcherManagerActor:marathon-akka.actor.default-dispatcher-5)
[2020-07-18 21:15:47,398] DEBUG Checking for overdue tasks (mesosphere.marathon.core.task.jobs.impl.OverdueInstancesActor$Support:marathon-akka.actor.default-dispatcher-8)
[2020-07-18 21:15:48,035] DEBUG Got ping response for sessionid: 0x17362f33390000c after 1ms (org.apache.zookeeper.ClientCnxn:main-SendThread(m01.local:2181))
[2020-07-18 21:15:49,498] DEBUG Current State: LaunchTokens:100 OffersWanted:false Matchers:0 OfferQueues:0 UnprocessedOffers:0 (mesosphere.marathon.core.matcher.manager.impl.OfferMatcherManagerActor:marathon-akka.actor.default-dispatcher-3)
[2020-07-18 21:15:49,498] DEBUG Reject Elapsed offers. Unprocessed: 0 Overdue:0 (mesosphere.marathon.core.matcher.manager.impl.OfferMatcherManagerActor:marathon-akka.actor.default-dispatcher-3)
[2020-07-18 21:15:51,370] DEBUG Got ping response for sessionid: 0x17362f33390000c after 1ms (org.apache.zookeeper.ClientCnxn:main-SendThread(m01.local:2181))
[2020-07-18 21:15:52,398] DEBUG Checking for overdue tasks (mesosphere.marathon.core.task.jobs.impl.OverdueInstancesActor$Support:marathon-akka.actor.default-dispatcher-2)
[2020-07-18 21:15:52,498

[@bin]# netstat -tanp
Active Internet connections (servers and established)
Proto Recv-Q Send-Q Local Address           Foreign Address         State       PID/Program name
tcp        0      0 0.0.0.0:45000           0.0.0.0:*               LISTEN      1158/sshd
tcp        0      0 0.0.0.0:36685           0.0.0.0:*               LISTEN      1586233/java
tcp        0      0 0.0.0.0:45973           0.0.0.0:*               LISTEN      1585304/java
tcp        0      0 0.0.0.0:22              0.0.0.0:*               LISTEN      1158/sshd
tcp        0      0 192.168.10.22:7070      0.0.0.0:*               LISTEN      1585304/java
tcp        0      0 0.0.0.0:7071            0.0.0.0:*               LISTEN      1586233/java
tcp        0      0 192.168.10.22:5666      0.0.0.0:*               LISTEN      1153/nrpe
tcp        0      0 192.168.10.22:36685     192.168.10.151:54096    ESTABLISHED 1586233/java
tcp        0      0 192.168.10.22:49334     192.168.10.151:2181     ESTABLISHED 1586233/java
tcp       15      0 212.26.193.37:22        222.186.15.18:35953     ESTABLISHED 1587073/sshd: [acce
tcp        0      0 192.168.10.22:41642     192.168.10.151:5050     ESTABLISHED 1586233/java
tcp        0      0 192.168.10.22:22        192.168.10.2:37414      ESTABLISHED 1496827/sshd: root@
tcp        0      0 192.168.10.22:22        192.168.10.2:37412      ESTABLISHED 1496748/sshd: root@
tcp        0      0 192.168.10.22:41630     192.168.10.151:5050     ESTABLISHED 1585304/java
tcp        0      0 192.168.10.22:49332     192.168.10.151:2181     ESTABLISHED 1586233/java
tcp        0      0 192.168.10.22:49322     192.168.10.151:2181     ESTABLISHED 1585304/java
tcp        0      0 192.168.10.22:22        192.168.10.2:39302      ESTABLISHED 1571743/sshd: root@
tcp        0      0 192.168.10.22:22        192.168.10.2:40522      ESTABLISHED 1580594/sshd: root@
tcp        0      0 192.168.10.22:45973     192.168.10.151:34322    ESTABLISHED 1585304/java