问题：git pull 下载失败
现象：
git clone https://github.com/NVIDIA/k8s-device-plugin.git
fatal: unable to access 'xxx': Encountered end of file
解决：https改成git
git clone git://github.com/NVIDIA/k8s-device-plugin.git
Cloning into 'k8s-device-plugin'...
remote: Enumerating objects: 24757, done.
remote: Counting objects: 100% (389/389), done.
remote: Compressing objects: 100% (203/203), done.
remote: Total 24757 (delta 179), reused 339 (delta 163), pack-reused 24368
Receiving objects: 100% (24757/24757), 37.88 MiB | 9.34 MiB/s, done.
Resolving deltas: 100% (10176/10176), done.