[    1.604906] ip (264) used greatest stack depth: 12552 bytes left
[    1.680285] ip (273) used greatest stack depth: 12504 bytes left
[    2.945071] ip (414) used greatest stack depth: 12248 bytes left
[   48.864597] netem: version 1.3
[   86.671542] ip (3470) used greatest stack depth: 12104 bytes left
[  549.025212] tc (15678) used greatest stack depth: 11952 bytes left
[  607.883317] pm_nl_ctl (18824) used greatest stack depth: 11872 bytes left