[    1.878888] ip (285) used greatest stack depth: 12272 bytes left
[   47.666058] netem: version 1.3
[  417.261685] ip (9863) used greatest stack depth: 12240 bytes left
[  549.479491] tc (15678) used greatest stack depth: 11952 bytes left
[  604.361101] pm_nl_ctl (18823) used greatest stack depth: 11864 bytes left