I just set up catalog zones for the first time. I'm using a conf file with my list of zones. After creating a catalog zone and adding member zones to it, I executed 'knotc reload'. The catalog zone then appeared in the output of 'zone-status', and member zones were listed with the catalog zone name. However, 'zone-read <catalog.zone>' showed no PTR records. I tried 'zone-reload <catalog.zone>', updated serials on the member zones and such, but the catalog zone remained empty until knotd was restarted. I saw this behavior on both 3.4.4 and 3.5.2. Is this the intended behavior? Is there a way to generate the catalog without restarting knotd?