[    2.605838] ip (220) used greatest stack depth: 12272 bytes left
[    2.668579] ip (237) used greatest stack depth: 12072 bytes left
[    3.318103] ip (404) used greatest stack depth: 12040 bytes left
[   53.111781] netem: version 1.3
[  559.639862] pm_nl_ctl (24668) used greatest stack depth: 11856 bytes left