[    1.527328] ip (257) used greatest stack depth: 12232 bytes left
[   29.578786] ip (2433) used greatest stack depth: 12216 bytes left
[   51.063944] ip (4108) used greatest stack depth: 11960 bytes left
[   51.807910] netem: version 1.3
[  565.656320] pm_nl_ctl (24827) used greatest stack depth: 11856 bytes left