[    2.528201] ip (288) used greatest stack depth: 12272 bytes left
[   61.366084] netem: version 1.3
[  143.630133] ip (3621) used greatest stack depth: 12248 bytes left
[  326.025904] ip (5881) used greatest stack depth: 12128 bytes left
[  556.480240] ip (12237) used greatest stack depth: 12000 bytes left
[  645.156241] tc (15593) used greatest stack depth: 11936 bytes left
[  712.280855] pm_nl_ctl (18730) used greatest stack depth: 11872 bytes left