问题现象如下：
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 | [root@ci1 ~]# docker image pull wzkres/centos-ci-gcc:centos-7-cross-arm64centos-7-cross-arm64: Pulling from wzkres/centos-ci-gcc2d473b07cdd5: Already exists 9d26d6802cad: Pull complete 90f6d29b7c1a: Pull complete 7bfff1b24796: Pull complete 80b3d4546432: Pull complete c3a37398e8b3: Pull complete 3ba42b3a770d: Pull complete 85b3405c69c4: Downloading 2ad9c2d42a3d: Waiting 5f1b06925eb4: Waiting 4f4fb700ef54: Waiting 57c257cf6173: Waiting 787f48d693d2: Waiting 9f1677804e77: Waiting c13fd6dc43b4: Waiting 80bd40938514: Waiting 56ba96a89fa8: Waiting unauthorized: authentication required |
在从hub.docker.com拉取公开镜像时，频繁出现标题中提到的错误而失败，出现时间随机，且出现频率非常高，导致稍大些的镜像几乎无法顺利完成下载。一开始以为是网络问题，各种更换“科学”，使用镜像代理均没什么效果，看提示的是“authentication”，还以为是docker hub登录信息的问题，于是也试过docker login -u xxxx，无果…
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