[    2.288833] ip (277) used greatest stack depth: 12360 bytes left
[    2.489063] ip (295) used greatest stack depth: 12344 bytes left
[   24.033893] ip (1248) used greatest stack depth: 12192 bytes left
[   44.928410] ip (2269) used greatest stack depth: 12128 bytes left
[   53.051347] netem: version 1.3
[  660.356816] pm_nl_ctl (16721) used greatest stack depth: 11832 bytes left