Yellow Action:
unavailable(-1)
pass (1)
discard (2)
remark IP Precedence (3)
remark DSCP (4)
remark MPLS EXP (5)
remark(6)
Only hardware QoS support this node.Hardware QoS support pass,discard,remark.
-1 is returned only when getting value from software QoS.
-1 can't be set.