Title: #214: UTIL: Set udp_preference_limit=0 in krb5 snippet
Thanks for implying that you do not trust myself.
I'm sorry but I cannot verify that you really used the same patch :-( (patches welcome
for improving it in internal CI). And it is weird that it works for you but does not work
See the full comment at https://github.com/SSSD/sssd/pull/214#issuecomment-321236287