[    1.700815] ip (267) used greatest stack depth: 12632 bytes left
[    1.772521] ip (276) used greatest stack depth: 12520 bytes left
[    1.915840] ip (294) used greatest stack depth: 12248 bytes left
[   47.563553] netem: version 1.3
[  570.498117] tc (15679) used greatest stack depth: 11952 bytes left
[  628.839526] pm_nl_ctl (18824) used greatest stack depth: 11864 bytes left