[    2.094175] ip (190) used greatest stack depth: 12296 bytes left
[    3.231735] ip (544) used greatest stack depth: 12056 bytes left
[   50.095972] netem: version 1.3
[  103.435644] ip (5012) used greatest stack depth: 12024 bytes left
[  546.632477] pm_nl_ctl (24830) used greatest stack depth: 11864 bytes left