[    2.217799] ip (192) used greatest stack depth: 12224 bytes left
[   31.995401] ip (2956) used greatest stack depth: 12008 bytes left
[   72.352264] ip (5220) used greatest stack depth: 11952 bytes left
[  571.962434] pm_nl_ctl (27781) used greatest stack depth: 11864 bytes left