kubernetes 实用技巧: 使用 ksniff 抓包
https://krew.sigs.k8s.io/
https://krew.sigs.k8s.io/docs/user-guide/setup/install/
kubectl krew install sniff
kubectl sniff -n default test-5756465887-g75tj -p -o test.pcap
下载到本地用wireshark打开,分析网络问题
nat 网络出现的问题,要不是开启内核优化
linux开启tcp_timestamps和tcp_tw_recycle引发的问题研究
https://www.cnblogs.com/charlieroro/p/11593410.html
https://blog.51cto.com/h2ofly/1616306
https://www.jianshu.com/p/25e99b2d1956
https://imroc.cc/post/202105/capture-packets-with-ksniff/