URL:
https://github.com/SSSD/sssd/pull/490
Title: #490: sysdb: add userMappedCertificate to the index
sumit-bose commented:
"""
@lslebodn, yes, update is not supported as can be seen in
https://access.redhat.com/solutions/21531 (login required).
"""
See the full comment at
https://github.com/SSSD/sssd/pull/490#issuecomment-357613465