[    1.704018] ip (253) used greatest stack depth: 12168 bytes left
[   39.352397] ip (2306) used greatest stack depth: 11944 bytes left
[   50.886681] netem: version 1.3
[  133.683914] sched: DL replenish lagged too much
[  551.990532] tc (16940) used greatest stack depth: 11880 bytes left
[  610.117394] pm_nl_ctl (20240) used greatest stack depth: 11864 bytes left