[    1.798933] ip (268) used greatest stack depth: 12432 bytes left
[    1.964291] ip (286) used greatest stack depth: 12368 bytes left
[    2.042837] ip (295) used greatest stack depth: 12256 bytes left
[   28.739869] ip (1559) used greatest stack depth: 12240 bytes left
[   40.231095] ip (2398) used greatest stack depth: 12176 bytes left
[   49.162846] netem: version 1.3
[  582.188420] tc (15682) used greatest stack depth: 11928 bytes left
[  639.788561] pm_nl_ctl (18826) used greatest stack depth: 11872 bytes left