[    2.120007] ip (271) used greatest stack depth: 12552 bytes left
[    2.191281] ip (278) used greatest stack depth: 12472 bytes left
[    2.403793] ip (298) used greatest stack depth: 12344 bytes left
[   60.448578] netem: version 1.3
[  120.859452] ip (3644) used greatest stack depth: 12288 bytes left
[  352.004841] ip (6883) used greatest stack depth: 12192 bytes left
[  669.943814] pm_nl_ctl (18733) used greatest stack depth: 11872 bytes left