[    2.127977] ip (255) used greatest stack depth: 12456 bytes left
[    2.165766] ip (258) used greatest stack depth: 12392 bytes left
[    2.626184] ip (286) used greatest stack depth: 12344 bytes left
[   58.750167] netem: version 1.3
[   70.045447] ip (2677) used greatest stack depth: 12304 bytes left
[  281.309836] ip (4651) used greatest stack depth: 12192 bytes left
[  705.613292] pm_nl_ctl (16883) used greatest stack depth: 11848 bytes left