[    2.069507] ip (256) used greatest stack depth: 12392 bytes left
[    2.530275] ip (287) used greatest stack depth: 12360 bytes left
[    2.643353] ip (296) used greatest stack depth: 12344 bytes left
[   44.881315] ip (1784) used greatest stack depth: 12288 bytes left
[   63.224657] netem: version 1.3
[   81.835338] ip (2788) used greatest stack depth: 12240 bytes left
[  604.496357] ip (13334) used greatest stack depth: 12232 bytes left
[  681.196648] pm_nl_ctl (16714) used greatest stack depth: 11832 bytes left