[    1.869963] ip (268) used greatest stack depth: 12488 bytes left
[    1.958402] ip (277) used greatest stack depth: 12456 bytes left
[    2.122736] ip (296) used greatest stack depth: 12216 bytes left
[   50.716748] netem: version 1.3
[  560.343130] tc (16943) used greatest stack depth: 11928 bytes left
[  618.074216] pm_nl_ctl (20243) used greatest stack depth: 11864 bytes left