[    1.495137] ip (255) used greatest stack depth: 12168 bytes left
[   52.249284] netem: version 1.3
[  499.509676] ip (14254) used greatest stack depth: 12120 bytes left
[  565.369671] tc (16938) used greatest stack depth: 11896 bytes left
[  625.367981] pm_nl_ctl (20239) used greatest stack depth: 11864 bytes left