[    1.716858] ip (258) used greatest stack depth: 12168 bytes left
[   52.436958] netem: version 1.3
[  117.775340] ip (4203) used greatest stack depth: 12120 bytes left
[  562.310405] tc (16943) used greatest stack depth: 11896 bytes left
[  687.167063] pm_nl_ctl (20246) used greatest stack depth: 11864 bytes left