Interestingly enough, logging reports 1 big jump on my boxes about 1.5 hours after midnight. It's curious that there's only a report of a ~1s jump, then skew correction. Times are in UTC. I'm using constraints from google and pool.ntp.org as the server on 5.7/amd64.
Jul 1 01:36:01 x ntpd[2021]: adjusting local clock by -0.995120s Jul 1 07:52:07 x ntpd[2021]: adjusting clock frequency by -30.002480 to -35.130664ppm Jul 1 09:35:39 x ntpd[2021]: adjusting local clock by 0.047839s Jul 1 10:04:27 x ntpd[2021]: adjusting local clock by 0.189961s Jul 1 10:57:29 x ntpd[2021]: adjusting local clock by 0.042814s Jul 1 11:02:15 x ntpd[2021]: adjusting local clock by 0.051244s Jul 1 11:06:29 x ntpd[2021]: adjusting clock frequency by 42.865357 to 7.734693ppm Jul 1 12:58:05 x ntpd[2021]: adjusting clock frequency by -12.782874 to -5.048181ppm
