does the phase of the address for a fallback suppose to be 0 for out direction and 1 for in direction? it looks like the phase of a fallback address is set to 0. any explanation as to why?

Reported by: mgebre

https://access.redhat.com/documentation/en-us/red_hat_amq/2020.q4/html/using_amq_interconnect/configuring-routing-router-rhel#annotations:4ffb24f6-d246-4516-bdf2-d4a06c01ff7e