[    2.691964] ip (252) used greatest stack depth: 12512 bytes left
[   17.996812] ip (1712) used greatest stack depth: 12392 bytes left
[   52.079884] netem: version 1.3
[   61.673545] ip (4452) used greatest stack depth: 12352 bytes left
[   71.972190] ip (4639) used greatest stack depth: 12096 bytes left
[  553.981535] pm_nl_ctl (24664) used greatest stack depth: 11856 bytes left