错误：
[root@k8s-node-2 ~]# docker pull hello-world Using default tag: latest Error response from daemon: Get https://registry-1.docker.io/v2/: x509: certificate is valid for *.mars.sourcemap.com, mars.sourcemap.com, not registry-1.docker.io [root@k8s-node-2 ~]# [root@k8s-node-2 ~]# docker pull hell
