[    3.304103] ip (257) used greatest stack depth: 12392 bytes left
[    3.634545] ip (279) used greatest stack depth: 12344 bytes left
[   10.778429] ip (911) used greatest stack depth: 12288 bytes left
[   58.433162] netem: version 1.3
[  501.646342] ip (11533) used greatest stack depth: 12192 bytes left
[  666.244765] pm_nl_ctl (18727) used greatest stack depth: 11624 bytes left