查看不同網段以外的流量
``bash
sudo iftop -F 10.179.3.0/24
參考:
https://blog.csdn.net/qq_35995514/article/details/136542702
https://cloud.tencent.com/developer/article/1827834
https://www.alibabacloud.com/help/en/ecs/support/query-and-case-analysis-of-linux-network-traffic-load