[    1.463557] ip (256) used greatest stack depth: 12264 bytes left
[    1.695328] ip (285) used greatest stack depth: 12072 bytes left
[   49.930138] netem: version 1.3
[  562.080989] tc (15679) used greatest stack depth: 11952 bytes left
[  620.190455] pm_nl_ctl (18823) used greatest stack depth: 11856 bytes left