there is a dependencies bug for Samba and bind / bind-tools.
Samba need the dlz Modul for AD/DC enviroment but the last one who is build with Samaba is 9.12.
I add also a patch for 9.14 9.15 to build the modules
Created attachment 594992 [details, diff]
bind modules patch
Created attachment 662761 [details, diff]
batch for bind-9.16