[    1.841167] ip (261) used greatest stack depth: 12392 bytes left
[    2.178844] ip (289) used greatest stack depth: 12344 bytes left
[   55.735176] netem: version 1.3
[  113.270136] ip (3492) used greatest stack depth: 12192 bytes left
[  632.968303] tc (15595) used greatest stack depth: 11936 bytes left
[  700.359131] pm_nl_ctl (18732) used greatest stack depth: 11784 bytes left