[    2.105481] ip (295) used greatest stack depth: 12272 bytes left
[   48.367035] netem: version 1.3
[  129.419907] ip (3614) used greatest stack depth: 12240 bytes left
[  581.883991] tc (15678) used greatest stack depth: 11936 bytes left
[  640.120416] pm_nl_ctl (18821) used greatest stack depth: 11880 bytes left