[    2.270688] ip (285) used greatest stack depth: 12344 bytes left
[   58.994875] netem: version 1.3
[   75.788880] ip (3147) used greatest stack depth: 12288 bytes left
[  585.398273] ip (14655) used greatest stack depth: 12032 bytes left
[  613.014451] tc (15664) used greatest stack depth: 12008 bytes left
[  676.043310] pm_nl_ctl (18609) used greatest stack depth: 11864 bytes left