[    2.109578] ip (256) used greatest stack depth: 12296 bytes left
[    2.478763] ip (285) used greatest stack depth: 12264 bytes left
[   55.095062] netem: version 1.3
[   77.003913] ip (3135) used greatest stack depth: 12232 bytes left
[  593.396578] tc (15681) used greatest stack depth: 11952 bytes left
[  650.906382] pm_nl_ctl (18826) used greatest stack depth: 11864 bytes left