[    2.149630] ip (187) used greatest stack depth: 12288 bytes left
[    2.207080] ip (204) used greatest stack depth: 12072 bytes left
[    3.784988] ip (705) used greatest stack depth: 12064 bytes left
[   49.892357] netem: version 1.3
[  524.218362] pm_nl_ctl (24818) used greatest stack depth: 11944 bytes left