[    1.773651] ip (266) used greatest stack depth: 12344 bytes left
[    1.921345] ip (286) used greatest stack depth: 12296 bytes left
[    1.992171] ip (295) used greatest stack depth: 12200 bytes left
[    3.353818] ip (484) used greatest stack depth: 12184 bytes left
[    3.432342] ip (493) used greatest stack depth: 12168 bytes left
[   77.530291] netem: version 1.3
[  529.134816] ip (19804) used greatest stack depth: 11992 bytes left
[  609.073132] tc (24875) used greatest stack depth: 11864 bytes left
[  671.191038] pm_nl_ctl (29005) used greatest stack depth: 11856 bytes left