[    2.197367] ip (295) used greatest stack depth: 12248 bytes left
[   50.586709] netem: version 1.3
[   58.452157] ip (2999) used greatest stack depth: 12104 bytes left
[  568.136411] tc (15679) used greatest stack depth: 11952 bytes left
[  625.086919] pm_nl_ctl (18823) used greatest stack depth: 11872 bytes left