[    2.123578] ip (188) used greatest stack depth: 12296 bytes left
[    2.670226] ip (356) used greatest stack depth: 12096 bytes left
[    3.260623] ip (544) used greatest stack depth: 12088 bytes left
[   28.578680] ip (2217) used greatest stack depth: 12048 bytes left
[   50.272171] netem: version 1.3
[  128.941602] ip (5195) used greatest stack depth: 12024 bytes left
[  553.295432] pm_nl_ctl (24841) used greatest stack depth: 11864 bytes left