Comment # 6 on bug 899330 from Dominique Leuenberger

(In reply to Bernhard Wiedemann from comment #2)
> Is this yast2 firewall that you use or are you directly editing
> /etc/sysconfig/SuSEfirewall2* ?
> 
> or does NetworkManager have its own?

Reprduced here - YaST Firewall module sees no interfaces when NM is being used
(NM *can* work with firewalld, but that's by a long shot not default in
openSUSE)

This seems more a YaST issue than NetworkManager => reassigning