1）calico node status显示为分别显示为Passive和Active Socket: Host is unreachable
https://www.cnblogs.com/StarkBrothers/p/13184138.html
2）calico-node 报错calico/node is not ready: BIRD is not ready: BGP not established with
https://blog.51cto.com/heian99/3924711
3）Ubuntu系统下解决calico/node is not ready: Error querying BIRD: BIRD is not ready: BGP not established
https://blog.csdn.net/sinat_35406909/article/details/109711759
4）k8s安装calico的时候报：BIRD is not ready
https://blog.csdn.net/xing_S/article/details/123630179
5）calico网络问题排查，IP_AUTODETECTION_METHOD （处理k8s-1.22版本）
https://zhuanlan.zhihu.com/p/488034895
6）k8s当中calico节点日志报错 confd/health.go 180: Number of node(s) with BGP peering established = 0
https://blog.csdn.net/weixin_46018506/article/details/123870522
