我配置有多个registry，但是运行pull 镜像的时候卡住了：
{
"registry-mirrors" : [
"https:\/\/dockerproxy.com",
"https:\/\/docker.mirrors.ustc.edu.cn",
"https:\/\/docker.nju.edu.cn",
"https:\/\/hub-mirror.c.163.com",
"https:\/\/registry.docker-cn.com",
"https://docker.registry.cyou",
"https://docker-cf.registry.cyou",
"https://dockercf.jsdelivr.fyi",
"https://docker.jsdelivr.fyi",
"https://dockertest.jsdelivr.fyi",
"https://mirror.aliyuncs.com",
"https://dockerproxy.com",
"https://mirror.baidubce.com",
"https://docker.m.daocloud.io",
"https://docker.nju.edu.cn",
"https://docker.mirrors.sjtug.sjtu.edu.cn",
"https://docker.mirrors.ustc.edu.cn",
"https://mirror.iscas.ac.cn",
"https://docker.rainbond.cc"
]
}
[+] Running 6/9
⠼ nginx [⣷⣿⣿⣿⣿⣿⣿⣷] 13.88MB / 15.27MB Pulling 1836.0s
⠹ d17f077ada11 Downloading [================================================> ] ... 1740.8s
✔ 910c2a6cad6d Download complete 0.0s
✔ a89d14ef5abe Download complete 0.0s
✔ a96b658a00fe Download complete 0.0s
✔ 10cbc192f783 Download complete 0.0s
✔ 634f1d1ce0f7 Download complete 0.0s
✔ 83fbf849ee89 Download complete 0.0s
⠹ 662c8d6f6620 Downloading [============================================> ] ... 1740.8s请问下，有什么方式可以找到是哪个registry卡住的呢？