Java client

• fails with

  10:52:30,981 ERROR [org.jboss.modcluster] (UndertowEventHandlerAdapter - 1) MODCLUSTER000042: Error null sending INFO command to 2620:52:0:105f:405a:77ff:fed5:8555%eth0.1/2620:52:0:105f:405a:77ff:fed5:8555%eth0.1:8484, configuration will be reset: null
  

Undertow LB

• does not format address properly and is not parsed at all
• in an open fix the zone id is removed completely

apache LB

• seems to never send zone indices