[    2.654790] ip (275) used greatest stack depth: 12720 bytes left
[    2.785024] ip (284) used greatest stack depth: 12384 bytes left
[   47.542686] ip (1870) used greatest stack depth: 12360 bytes left
[   68.503344] netem: version 1.3
[   77.925212] ip (3002) used greatest stack depth: 12328 bytes left
[  278.659898] ip (5232) used greatest stack depth: 12256 bytes left
[  644.482235] tc (15680) used greatest stack depth: 11936 bytes left
[  711.425947] pm_nl_ctl (18825) used greatest stack depth: 11856 bytes left