Network not reachable

[stumpner]

When I run wallride in my tomcat8 linux vm everything works fine but I always get an IOException again and again even tough everything else works

2019-02-27 21:16:50.866 ERROR 1092 --- [8,server19-3446] org.jgroups.protocols.MPING : JGRP000200: failed sending discovery request java.io.IOException: Network is unreachable (sendto failed) at java.net.PlainDatagramSocketImpl.send(Native Method) at java.net.DatagramSocket.send(DatagramSocket.java:693) at org.jgroups.protocols.MPING.sendMcastDiscoveryRequest(MPING.java:306) at org.jgroups.protocols.PING.sendDiscoveryRequest(PING.java:64) at org.jgroups.protocols.PING.findMembers(PING.java:32) at org.jgroups.protocols.Discovery.findMembers(Discovery.java:211) at org.jgroups.protocols.Discovery.down(Discovery.java:353) at org.jgroups.protocols.MERGE3$InfoSender.run(MERGE3.java:392) at org.jgroups.util.TimeScheduler3$Task.run(TimeScheduler3.java:324) at org.jgroups.util.TimeScheduler3$RecurringTask.run(TimeScheduler3.java:358) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748)