Currently, either you apply the change in the configuration
of firewalld ( without permanent=True ), or you apply it live.
I most of the time want to do the 2 at the same time, ie open the
port ( so I can use the service ) and make sure it stay open on reboot.
RedHat-based OSes have a version of update-alternatives which comes from
the chkconfig package and does not support the --query parameter. Work
around that.
* The policy is shown in `status verbose`, so all the check mode stuff should keep working.
* `--dry-run` works as expected.
* No idea whether it's legal as an argument to `interface`
