This happens every Sunday 00:00 UTC, and fixes itself every Monday 00:00 UTC:
00:04:03 <+icinga-wm> PROBLEM - Check systemd state on netflow3001 is CRITICAL: CRITICAL - degraded: The system is operational but one or more units failed. https://wikitech.wikimedia.org/wiki/Monitoring/check_systemd_state 00:04:25 <+icinga-wm> PROBLEM - Check systemd state on netflow5001 is CRITICAL: CRITICAL - degraded: The system is operational but one or more units failed. https://wikitech.wikimedia.org/wiki/Monitoring/check_systemd_state 00:04:57 <+icinga-wm> PROBLEM - Check systemd state on netflow2001 is CRITICAL: CRITICAL - degraded: The system is operational but one or more units failed. https://wikitech.wikimedia.org/wiki/Monitoring/check_systemd_state 00:04:59 <+icinga-wm> PROBLEM - Check systemd state on netflow4001 is CRITICAL: CRITICAL - degraded: The system is operational but one or more units failed. https://wikitech.wikimedia.org/wiki/Monitoring/check_systemd_state 00:05:33 <+icinga-wm> PROBLEM - Check systemd state on netflow1001 is CRITICAL: CRITICAL - degraded: The system is operational but one or more units failed. https://wikitech.wikimedia.org/wiki/Monitoring/check_systemd_state