[    2.166906] ip (256) used greatest stack depth: 12392 bytes left
[    2.739214] ip (296) used greatest stack depth: 12344 bytes left
[    8.844180] ip (781) used greatest stack depth: 12032 bytes left
[   59.659395] netem: version 1.3
[  683.660815] pm_nl_ctl (18606) used greatest stack depth: 11784 bytes left