anchor.diff:  
   [source,shell]
   ----
  --Djava.net.preferIPv4Stack=true -Djgroups.tcp.address=NON_LOOPBACK
  +-Djava.net.preferIPv4Stack=true -Djgroups.bind.address=NON_LOOPBACK
   ----
   
   This will make JGroups pick the interface of the virtual private network created by Docker.
  
positive.code: = Infinispan Cluster Manager
  
  This is a cluster manager implementation for Vert.x that uses http://infinispan.org/[Infinispan].
  
  This implementation is packaged inside:
  
  
negative.code:      />
  ----
  
  Alternatively, if you want to stick with the bundled `jgroups.xml` file, you can set the `jgroups.bind.address` system property:
  
  ----
  -Djgroups.bind.address=192.168.1.20
  ----
  
  When running Vert.x is in clustered mode, you should also make sure that Vert.x knows about the correct interface.
  