[    2.343533] ip (282) used greatest stack depth: 12384 bytes left
[   12.147122] ip (1158) used greatest stack depth: 12360 bytes left
[   56.994243] netem: version 1.3
[  217.834207] ip (4880) used greatest stack depth: 12256 bytes left
[  626.395118] tc (15684) used greatest stack depth: 11896 bytes left
[  694.675338] pm_nl_ctl (18827) used greatest stack depth: 11880 bytes left