tc class add dev eth0 parent 20: classid 1:10 htb rate 100kbps ceil 100kbps
tc class add dev eth0 parent 20: classid 1:10 htb rate 100kbit ceil 100kbit

tc qdisc add dev eth0 root tbf rate 220kbit latency 50ms burst 1540

参考：

• https://blog.csdn.net/weixin_46576953/article/details/130002329?utm_medium=distribute.pc_relevant.none-task-blog-2~default~baidujs_baidulandingword~default-0-130002329-blog-98984217.235^v38^pc_relevant_default_base&spm=1001.2101.3001.4242.1&utm_relevant_index=3