[   13.049304] ip (404) used greatest stack depth: 12288 bytes left
[   14.250367] ip (735) used greatest stack depth: 12096 bytes left
[   27.872857] ip (1705) used greatest stack depth: 12048 bytes left
[   62.045916] netem: version 1.3
[  559.309720] pm_nl_ctl (24864) used greatest stack depth: 11864 bytes left