[    1.435405] ip (231) used greatest stack depth: 12424 bytes left
[    1.461578] ip (241) used greatest stack depth: 12408 bytes left
[    1.513937] ip (259) used greatest stack depth: 12232 bytes left
[    5.655619] ip (1369) used greatest stack depth: 12008 bytes left
[   51.220054] netem: version 1.3
[   58.957343] ip (4470) used greatest stack depth: 11976 bytes left
[   67.250126] ip (4666) used greatest stack depth: 11960 bytes left
[  555.119742] pm_nl_ctl (24817) used greatest stack depth: 11856 bytes left