[    2.539258] ip (240) used greatest stack depth: 12088 bytes left
[    3.186120] ip (416) used greatest stack depth: 12008 bytes left
[   52.068692] netem: version 1.3
[   86.597372] ip (5043) used greatest stack depth: 11960 bytes left
[  527.861332] pm_nl_ctl (24677) used greatest stack depth: 11864 bytes left