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#!/usr/bin/bash
mkdir /sys/fs/cgroup/net_prio
mount -t cgroup -o net_prio none /sys/fs/cgroup/net_prio
mkdir /sys/fs/cgroup/net_prio/prio-{0..15}
for p in {0..15}; do
    for if in $(cd /sys/class/net/; ls); do
        echo "${if} ${p}" > /sys/fs/cgroup/net_prio/prio-${p}/net_prio.ifpriomap
    done
done