URL:
https://github.com/SSSD/sssd/pull/417
Title: #417: Revert "sysdb: add missing indices"
lslebodn commented:
"""
1.16.0 was already tagged so it is too late to revert change.
"""
See the full comment at
https://github.com/SSSD/sssd/pull/417#issuecomment-338226983