[    5.746674] ip (296) used greatest stack depth: 12272 bytes left
[   55.575979] netem: version 1.3
[  570.160958] ip (15173) used greatest stack depth: 12072 bytes left
[  580.164741] tc (15680) used greatest stack depth: 11936 bytes left
[  637.679780] pm_nl_ctl (18823) used greatest stack depth: 11880 bytes left