URL:
https://github.com/SSSD/sssd/pull/783
Title: #783: knownhostsproxy: friendly error msg for NXDOMAIN
jhrozek commented:
"""
* master: 9a7b04690e30fc57dce45c82b918b8d95b978df1
* sssd-1-16: 7fe2b44654d93e8c2985264de53c3137f6f1b04e
"""
See the full comment at
https://github.com/SSSD/sssd/pull/783#issuecomment-496673473