[    1.690452] ip (257) used greatest stack depth: 12304 bytes left
[    2.963700] ip (408) used greatest stack depth: 12272 bytes left
[   51.023493] netem: version 1.3
[  552.614075] tc (15678) used greatest stack depth: 11936 bytes left
[  611.034777] pm_nl_ctl (18823) used greatest stack depth: 11784 bytes left