[    1.422720] ip (253) used greatest stack depth: 12296 bytes left
[    1.732017] ip (294) used greatest stack depth: 12248 bytes left
[   32.175107] ip (1691) used greatest stack depth: 12232 bytes left
[   45.731482] netem: version 1.3
[  562.929465] tc (15678) used greatest stack depth: 11952 bytes left
[  622.210786] pm_nl_ctl (18823) used greatest stack depth: 11752 bytes left