[    2.018148] ip (295) used greatest stack depth: 12272 bytes left
[   39.334953] ip (2297) used greatest stack depth: 12112 bytes left
[   49.037374] netem: version 1.3
[  556.966168] tc (15679) used greatest stack depth: 11952 bytes left
[  612.674585] pm_nl_ctl (18823) used greatest stack depth: 11864 bytes left