[   16.117129] ip (1349) used greatest stack depth: 12136 bytes left
[   50.361816] netem: version 1.3
[   59.616057] ip (3241) used greatest stack depth: 11992 bytes left
[  570.168297] tc (16942) used greatest stack depth: 11928 bytes left
[  626.750957] pm_nl_ctl (20243) used greatest stack depth: 11848 bytes left