:PREROUTING,INPUT,FORWARD,OUTPUT,POSTROUTING *mangle -j DSCP --set-dscp 0;=;OK -j DSCP --set-dscp 0x3f;=;OK -j DSCP --set-dscp -1;;FAIL -j DSCP --set-dscp 0x40;;FAIL -j DSCP --set-dscp 0x3f --set-dscp-class CS0;;FAIL -j DSCP --set-dscp-class CS0;-j DSCP --set-dscp 0x00;OK -j DSCP --set-dscp-class BE;-j DSCP --set-dscp 0x00;OK -j DSCP --set-dscp-class EF;-j DSCP --set-dscp 0x2e;OK -j DSCP;;FAIL