Chronyd forward or backward time jump detected

Issue

• chronyd: Time has been changed
• Forward time jump detected
• Backward time jump detected
• Can't synchronize: no selectable sources
• Can't synchronise: no selectable sources

• Sample logs:

  Apr 28 05:33:10 localhost chronyd[1216]: Forward time jump detected!
  Apr 28 05:33:10 localhost chronyd[1216]: Can't synchronise: no selectable sources
  Apr 28 05:36:24 localhost chronyd[1216]: Selected source x.x.x.x
  Apr 28 05:36:24 localhost chronyd[1216]: System clock wrong by -3444.493726 seconds, adjustment started
  Apr 28 05:42:01 localhost chronyd[1216]: Forward time jump detected!
  Apr 28 05:42:01 localhost chronyd[1216]: Can't synchronise: no selectable sources
  Apr 28 05:44:20 localhost chronyd[1216]: Selected source x.x.x.x
  Apr 28 05:44:20 localhost chronyd[1216]: System clock wrong by -3440.590555 seconds, adjustment started
  Apr 28 05:48:42 localhost chronyd[1216]: Selected source x.x.x.x
  Apr 28 10:16:42 localhost chronyd[1216]: chronyd exiting
  Apr 28 10:16:43 localhost chronyd[88511]: chronyd version 3.4 starting (+CMDMON +NTP +REFCLOCK +RTC +PRIVDROP +SCFILTER +SIGND +ASYNCDNS +SECHASH +IPV6 +DEBUG)
  Apr 28 10:16:43 localhost chronyd[88511]: Frequency -15.599 +/- 0.194 ppm read from /var/lib/chrony/drift
  Apr 28 09:44:12 localhost chronyd[88511]: Selected source x.x.x.x
  Apr 28 09:44:12 localhost chronyd[88511]: System clock wrong by -1954.933720 seconds, adjustment started
  Apr 28 09:44:12 localhost chronyd[88511]: System clock was stepped by -1954.933720 seconds