azk shell [system].
$ azk shell $ /run.sh &
@fearenales raised this point this week, he is working on azk CI.
The AZK has a concept of namespace, so when you change the namespace all separates, but he said he had trouble just because of conflicting ports.
I believe that in this regard @fearenales is better suited to answer you.
AZK_BALANCER_PORTfor each user and that's fine
azk restart- if system is not started it does this:
$ azk restart drupal; echo $? azk: System `drupal` not running azk: System `drupal` already started ... 3