[    1.276854] ip (255) used greatest stack depth: 12224 bytes left
[   47.792277] netem: version 1.3
[   78.601686] ip (3464) used greatest stack depth: 12176 bytes left
[  543.805765] tc (16521) used greatest stack depth: 11920 bytes left
[  660.075776] pm_nl_ctl (19772) used greatest stack depth: 11872 bytes left