Docker.service - Docker Application Container Engine Active: failed 技术支持 疑难问题解决方案

Output
● docker.service - Docker Application Container Engine
     Loaded: loaded (/lib/systemd/system/docker.service; enabled; vendor preset: enabled)
     Active: active (running) since Tue 2020-05-19 17:00:41 UTC; 17s ago
TriggeredBy: ● docker.socket
       Docs: https://docs.docker.com
   Main PID: 24321 (dockerd)
      Tasks: 8
     Memory: 46.4M
     CGroup: /system.slice/docker.service
             └─24321 /usr/bin/dockerd -H fd:// --containerd=/run/containerd/containerd.sock

root@xxx:~# sudo systemctl status docker
× docker.service - Docker Application Container Engine
     Loaded: loaded (/usr/lib/systemd/system/docker.service; enabled; preset: e>
    Drop-In: /etc/systemd/system/docker.service.d
             └─http-proxy.conf
     Active: failed (Result: exit-code) since Sat 2024-11-30 15:46:20 CST; 1min>
   Duration: 36min 11.376s
TriggeredBy: × docker.socket
       Docs: https://docs.docker.com
    Process: 10949 ExecStart=/usr/bin/dockerd -H fd:// --containerd=/run/contai>
   Main PID: 10949 (code=exited, status=1/FAILURE)
        CPU: 58ms

Nov 30 15:46:20 xxxx systemd[1]: docker.service: Scheduled restart job, restart>
Nov 30 15:46:20 xxxx systemd[1]: docker.service: Start request repeated too qui>
Nov 30 15:46:20 xxxx systemd[1]: docker.service: Failed with result 'exit-code'.
Nov 30 15:46:20 xxxx systemd[1]: Failed to start docker.service - Docker Applic>
lines 1-16/16 (END)

Unable to find image 'ubuntu:latest' locally
Error response from daemon: Get "https://registry-1.docker.io/v2/": 
net/http: request canceled while waiting for connection (Client.Timeout exceeded while awaiting headers)