cni插件 ipam cnitool

https://kubernetes.io/zh-cn/docs/tasks/administer-cluster/migrating-from-dockershim/troubleshooting-cni-plugin-related-errors/

/usr/sbin/ethtool -K flannel.1 tx-checksum-ip-generic off

https://github.com/flannel-io/flannel/blob/master/Documentation/troubleshooting.md

kubernets文档

https://github.com/lefeck/document/blob/master/kubernets文档.md

https://www.yxingxing.net/archives/kubernetes-20200307-flannel-cni

https://blog.frognew.com/2021/07/relearning-container-19.html

让容器通信变得简单：深度解析 Containerd 中的 CNI 插件

https://kubesphere.io/zh/blogs/containerd-cni/

cnitool Example invocation 

https://www.cni.dev/docs/cnitool/

kubelet 源码剖析（三）：创建 Pod 时如何确定 CRI 和 CNI？

https://juejin.cn/post/7346119032523243530

从源码解析Containerd容器启动流程

https://www.cyisme.top/cloud_native/containerd/run/