安装docker的时候遇到以下问题 [root@sm-docker249 yum.repos.d]# yum install docker-ce docker-ce-cli containerd.io Loaded plugins: fastestmirror, langpacks docker-ce-nightly | 3.5 kB 00:00 docker-ce-stable | 3.5 kB 00:00 docker-ce-test | 3.5 kB 00:00 (1/4): docker-ce-test/x86_64/primary_db | 115 kB 00:00 (2/4): docker-ce-nightly/x86_64/updateinfo | 55 B 00:00 (3/4): docker-ce-test/x86_64/updateinfo | 55 B 00:00 (4/4): docker-ce-nightly/x86_64/primary_db | 166 kB 00:00 Loading mirror speeds from cached hostfile Resolving Dependencies --> Running transaction check ---> Package containerd.io.x86_64 0:1.2.13-3