[    1.916818] ip (256) used greatest stack depth: 12632 bytes left
[    2.119714] ip (269) used greatest stack depth: 12584 bytes left
[    2.329807] ip (287) used greatest stack depth: 12344 bytes left
[   56.386404] netem: version 1.3
[  677.676828] pm_nl_ctl (18731) used greatest stack depth: 11624 bytes left