[    2.644908] ip (258) used greatest stack depth: 12264 bytes left
[    3.251771] ip (417) used greatest stack depth: 12232 bytes left
[   50.408792] ip (3789) used greatest stack depth: 12216 bytes left
[   52.305603] netem: version 1.3
[   82.697651] ip (4847) used greatest stack depth: 11936 bytes left
[  552.233887] pm_nl_ctl (24823) used greatest stack depth: 11784 bytes left