[    1.974620] ip (253) used greatest stack depth: 12296 bytes left
[    2.335358] ip (285) used greatest stack depth: 12248 bytes left
[   52.932950] netem: version 1.3
[  546.897893] tc (15679) used greatest stack depth: 11912 bytes left
[  604.679778] pm_nl_ctl (18824) used greatest stack depth: 11864 bytes left