[    1.591770] ip (254) used greatest stack depth: 12296 bytes left
[    1.907803] ip (285) used greatest stack depth: 12248 bytes left
[   48.902513] netem: version 1.3
[  101.196483] ip (3481) used greatest stack depth: 12040 bytes left
[  635.525106] tc (21363) used greatest stack depth: 11912 bytes left
[  691.373349] pm_nl_ctl (24503) used greatest stack depth: 11872 bytes left