about drift

Hi all:
When I use chrony-4.1 to synchronize time, the configuration is normal. However, the response packets are different. Is it because the value of /var/lib/chrony/drift is too large? Why is no error displayed in this case? The status of the server is as follows:

● chronyd.service - NTP client/server
     Loaded: loaded (/usr/lib/systemd/system/chronyd.service; disabled; vendor preset: enabled)
     Active: active (running) since Sun 2022-11-13 20:18:54 CST; 7s ago
       Docs: man:chronyd(8)
             man:chrony.conf(5)
    Process: 36942 ExecStart=/usr/sbin/chronyd $OPTIONS (code=exited, status=0/SUCCESS)
   Main PID: 36948 (chronyd)
      Tasks: 1 (limit: 21081)
     Memory: 552.0K
     CGroup: /system.slice/chronyd.service
             └─ 36948 /usr/sbin/chronyd

Nov 13 20:18:54 localhost.localdomain systemd[1]: Starting NTP client/server...
Nov 13 20:18:54 localhost.localdomain chronyd[36948]: chronyd version 4.1 starting (+CMDMON +NTP +REFCLOCK +RTC +PRIVDROP +SCFILTER +SIGND +ASYNCDNS +NTS +SECHASH +IPV6 +DEBUG)
Nov 13 20:18:54 localhost.localdomain chronyd[36948]: Frequency 9.273 +/- 1000000.000 ppm read from /var/lib/chrony/drift
Nov 13 20:18:54 localhost.localdomain systemd[1]: Started NTP client/server.

The following figure shows the packet capture result.

dropped privs to tcpdump
tcpdump: listening on enp3s0, link-type EN10MB (Ethernet), snapshot length 262144 bytes
20:23:46.383154 IP (tos 0x0, ttl 64, id 46046, offset 0, flags [DF], proto UDP (17), length 76)
    9.82.217.178.59316 > localhost.localdomain.ntp: [udp sum ok] NTPv4, Client, length 48
        Leap indicator:  (0), Stratum 0 (unspecified), poll 1 (2s), precision 32
        Root Delay: 0.000000, Root dispersion: 0.000000, Reference-ID: (unspec)
          Reference Timestamp:  0.000000000
          Originator Timestamp: 0.000000000
          Receive Timestamp:    0.000000000
          Transmit Timestamp:   1552568142.715883743 (1949-03-14T12:55:42Z)
            Originator - Receive Timestamp:  0.000000000
            Originator - Transmit Timestamp: 1552568142.715883743 (1949-03-14T12:55:42Z)
20:23:48.408159 IP (tos 0x0, ttl 64, id 42224, offset 0, flags [DF], proto UDP (17), length 76)
    9.82.217.178.43237 > localhost.localdomain.ntp: [udp sum ok] NTPv4, Client, length 48
        Leap indicator:  (0), Stratum 0 (unspecified), poll 1 (2s), precision 32
        Root Delay: 0.000000, Root dispersion: 0.000000, Reference-ID: (unspec)
          Reference Timestamp:  0.000000000
          Originator Timestamp: 0.000000000
          Receive Timestamp:    0.000000000
          Transmit Timestamp:   2742648526.447884985 (1986-11-29T14:48:46Z)
            Originator - Receive Timestamp:  0.000000000
            Originator - Transmit Timestamp: 2742648526.447884985 (1986-11-29T14:48:46Z)
20:23:50.423951 IP (tos 0x0, ttl 64, id 21064, offset 0, flags [DF], proto UDP (17), length 76)
    9.82.217.178.50545 > localhost.localdomain.ntp: [udp sum ok] NTPv4, Client, length 48
        Leap indicator:  (0), Stratum 0 (unspecified), poll 1 (2s), precision 32
        Root Delay: 0.000000, Root dispersion: 0.000000, Reference-ID: (unspec)
          Reference Timestamp:  0.000000000
          Originator Timestamp: 0.000000000
          Receive Timestamp:    0.000000000
          Transmit Timestamp:   3202229013.548778843 (2001-06-22T20:03:33Z)
            Originator - Receive Timestamp:  0.000000000
           Originator - Transmit Timestamp: 3202229013.548778843 (2001-06-22T20:03:33Z)

3 packets captured
6 packets received by filter
0 packets dropped by kernel