calico

https://projectcalico.docs.tigera.io/getting-started/kubernetes/quickstart
https://www.cnblogs.com/yaodd/p/6418785.html
https://www.docker.com/blog/containerd-daemon-to-control-runc/
https://blog.crazytaxii.com/posts/containerd_shim_ppid_confusion/
https://mp.weixin.qq.com/s/1pFJR0JKZV9ikOKF9CMUjg
https://system51.github.io/2020/05/27/using-calico/
https://mp.weixin.qq.com/s?__biz=MzAwMDU1MTE1OQ==&mid=400983139&idx=1&sn=f033e3dca32ca9f0b7c9779528523e7e&scene=1&srcid=1101jklWCo9jNFjdnUum85PG&from=singlemessage&isappinstalled=0#wechat_redirect
https://xelatex.github.io/2015/09/06/calico-docker/
https://www.cnblogs.com/goldsunshine/p/15485226.html
https://etcd.io/docs/v3.5/op-guide/performance/
https://www.cnblogs.com/goldsunshine/p/10701242.html