[    1.651964] ip (257) used greatest stack depth: 12296 bytes left
[    1.998879] ip (294) used greatest stack depth: 12248 bytes left
[   51.289779] netem: version 1.3
[  552.318869] tc (15680) used greatest stack depth: 11952 bytes left
[  609.189396] pm_nl_ctl (18823) used greatest stack depth: 11752 bytes left