[    1.993429] ip (258) used greatest stack depth: 12184 bytes left
[   52.428036] netem: version 1.3
[  456.654370] ip (11179) used greatest stack depth: 12168 bytes left
[  580.605632] tc (16940) used greatest stack depth: 11928 bytes left
[  641.108034] pm_nl_ctl (20241) used greatest stack depth: 11800 bytes left