Comment 22 for bug 1779621

You're right. I haven't gotten used to journalctl yet. The other day I used it for the first time and ended doing -r to get reverse to paired it with head. Here's the correct output:

$ sudo journalctl -o short-monotonic -u systemd-timesyncd.service -u chrony.service | tail -n 20
[23363.712342] coulson chronyd[1008]: Source 195.22.17.7 online
[23363.712411] coulson chronyd[1008]: Source 91.189.94.4 online
[23817.610601] coulson chronyd[1008]: Source 2001:67c:1560:8003::c8 replaced with 91.189.89.199
[24351.347965] coulson chronyd[1008]: chronyd exiting
[24351.380512] coulson systemd[1]: Stopping chrony, an NTP client/server...
[24351.389046] coulson systemd[1]: Stopped chrony, an NTP client/server.
-- Reboot --
[ 8.099946] coulson systemd[1]: Starting Network Time Synchronization...
[ 8.229681] coulson systemd[1]: Started Network Time Synchronization.
[ 38.376727] coulson systemd-timesyncd[712]: Synchronized to time server 91.189.89.198:123 (ntp.ubuntu.com).

-- Here I manually started chrony --

[ 1073.902976] coulson systemd[1]: Starting chrony, an NTP client/server...
[ 1073.903330] coulson systemd[1]: Stopping Network Time Synchronization...
[ 1073.932511] coulson systemd[1]: Stopped Network Time Synchronization.
[ 1073.977280] coulson chronyd[3853]: chronyd version 3.2 starting (+CMDMON +NTP +REFCLOCK +RTC +PRIVDROP +SCFILTER +SECHASH +SIGND +ASYNCDNS +IPV6 -DEBUG)
[ 1073.978906] coulson chronyd[3853]: Frequency 22.532 +/- 1.122 ppm read from /var/lib/chrony/chrony.drift
[ 1074.084325] coulson systemd[1]: Started chrony, an NTP client/server.
[ 1080.970571] coulson chronyd[3853]: Selected source 91.189.89.198
[ 1092.162327] coulson chronyd[3853]: Source 2001:690:2100:80::4 replaced with 88.157.128.22
[ 1147.679352] coulson chronyd[3853]: Selected source 91.189.89.199
[ 1357.565918] coulson chronyd[3853]: Selected source 88.157.128.22