环境Time2022-11-20WSL-Ubuntu22.04Rust1.65.0pnet0.31.0tun-tap0.1.3前言说明参考：https://docs.rs/pnet/latest/pnet/index.htmlRFC792目标查看ping请求报文的格式，ping基于IP报文。ping命令ping-Itun0172.24.49.106root@jiangbo12490:~#ping-I