I already asked but didn't get feedback so far.

Why chronyc looses the syncing with external NTP during system st/by and it is necessary to manually re-sync?

^? time.cloudflare.com           0   6     0     -     +0ns[   +0ns] +/-    0ns
^? par.cyberbits.eu              0   6     0     -     +0ns[   +0ns] +/-    0ns
^? static.102.162.46.78.cli>     0   6     0     -     +0ns[   +0ns] +/-    0ns
^? pob01.mulx.net                0   6     0     -     +0ns[   +0ns] +/-    0ns
^? ntp.rol.net.mv                0   6     0     -     +0ns[   +0ns] +/-    0ns
^? mail.masters-of-cloud.de      0   6     0     -     +0ns[   +0ns] +/-    0ns
sudo chronyc burst 4/4; sudo chronyc makestep
[sudo] password di root: 
200 OK
200 OK
*^* time.cloudflare.com*           3   6     0   20m    -85us[+1906us] +/-   71ms
^- par.cyberbits.eu              2   6     0   20m  -4421us[-2430us] +/-  150ms
^- static.102.162.46.78.cli>     2   6     0   20m    -15ms[  -15ms] +/-  162ms
^- pob01.mulx.net                2   6     0   20m   +261us[ +261us] +/-  130ms
^- ntp.rol.net.mv                3   6     0   20m  +1112ns[+1992us] +/-  426ms
^- mail.masters-of-cloud.de      2   6     0   20m  +2603us[+2603us] +/-  108ms


Thanks.

Regards,
-- 
Marco Calistri
Build: openSUSE Tumbleweed 20210730 
Kernel:5.13.4-1-default
Desktop: XFCE (4.16.0)