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Linux: linux

Tool/software: Linux

hi Team,

i wanted to ask the below  question once again,

#tc qdisc add dev eth1 root handle 1: mqprio num_tc 3 map 2 2 1 1 2 2 2 2 2 2 2 2 2 2 2 2 queues 1@0 1@1 2@2 hw 0

this is giving me the error below

RTNETLINK answers: Operation not supported


i am using the ubutnu kernel version 4.15.0-43-generic.