[    2.185861] ip (261) used greatest stack depth: 12392 bytes left
[    2.610989] ip (289) used greatest stack depth: 12344 bytes left
[   52.407259] ip (2716) used greatest stack depth: 12192 bytes left
[   59.431769] netem: version 1.3
[  669.324422] pm_nl_ctl (18732) used greatest stack depth: 11872 bytes left