Github user grs commented on the issue:
https://github.com/apache/activemq-artemis/pull/2392
@michaelandrepearce @franz1981 the issue is that if an address is defined
to be multicast only, then a sender to it over AMQP causes the address to be
redefined as multicast and anycast *and* a queue is created with the same name
as the address, meaning that all other use of that address over AMQP now uses
the queue. What I want is the ability to define an address that reliably
behaves as a topic.---
