CDH 主机NTP 服务未同步至任何远程服务器 synchronised to unspecified at stratum

[root@nufront-master-02 ~]# service  ntpd status
Redirecting to /bin/systemctl status  ntpd.service
● ntpd.service - Network Time Service
   Loaded: loaded (/usr/lib/systemd/system/ntpd.service; enabled; vendor preset: disabled)
   Active: active (running) since Fri 2022-02-25 13:47:14 CST; 2 days ago
  Process: 760 ExecStart=/usr/sbin/ntpd -u ntp:ntp $OPTIONS (code=exited, status=0/SUCCESS)
 Main PID: 793 (ntpd)
    Tasks: 1
   Memory: 3.2M
   CGroup: /system.slice/ntpd.service
           └─793 /usr/sbin/ntpd -u ntp:ntp -g

Feb 25 13:47:24 nufront-master-02 ntpd[793]: new interface(s) found: waking up resolver
Feb 25 13:47:25 nufront-master-02 ntpd[793]: 0.0.0.0 c61c 0c clock_step +0.363311 s
Feb 25 13:47:25 nufront-master-02 ntpd[793]: 0.0.0.0 c614 04 freq_mode
Feb 25 13:47:26 nufront-master-02 ntpd[793]: 0.0.0.0 c618 08 no_sys_peer
Feb 25 13:47:56 nufront-master-02 ntpd[793]: Listen normally on 8 docker_gwbridge 172.18.0.1 UDP 123
Feb 25 13:47:56 nufront-master-02 ntpd[793]: Listen normally on 9 br-c5c6b2d01484 172.19.0.1 UDP 123
Feb 25 13:47:56 nufront-master-02 ntpd[793]: new interface(s) found: waking up resolver
Feb 25 14:03:07 nufront-master-02 ntpd[793]: 0.0.0.0 c612 02 freq_set kernel -0.289 PPM
Feb 25 14:03:07 nufront-master-02 ntpd[793]: 0.0.0.0 c615 05 clock_sync
Feb 28 09:56:07 nufront-master-02 ntpd[793]: 0.0.0.0 0618 08 no_sys_peer

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[root@nufront-master-02 ~]# ntpstat
synchronised to unspecified at stratum 10
   time correct to within 60 ms
   polling server every 1024 s

[root@nufront-master-02 ~]# service ntpd stop
Redirecting to /bin/systemctl stop  ntpd.service
[root@nufront-master-02 ~]# service ntpd start
Redirecting to /bin/systemctl start  ntpd.service
[root@nufront-master-02 ~]# ntpstat
synchronised to NTP server (172.16.34.120) at stratum 10
   time correct to within 7950 ms
   polling server every 64 s