[    1.597269] ip (254) used greatest stack depth: 12168 bytes left
[   49.630598] netem: version 1.3
[  148.533011] sched: DL replenish lagged too much
[  568.236696] tc (16941) used greatest stack depth: 11880 bytes left
[  625.654953] pm_nl_ctl (20242) used greatest stack depth: 11800 bytes left