[    1.734314] ip (294) used greatest stack depth: 12248 bytes left
[    2.372518] ip (379) used greatest stack depth: 12232 bytes left
[   45.984660] netem: version 1.3
[  560.944108] tc (15678) used greatest stack depth: 11952 bytes left
[  623.112042] pm_nl_ctl (18826) used greatest stack depth: 11872 bytes left