[    2.183103] ip (186) used greatest stack depth: 12832 bytes left
[    2.232132] ip (199) used greatest stack depth: 12496 bytes left
[    2.292667] ip (217) used greatest stack depth: 12480 bytes left
[    3.463886] ip (540) used greatest stack depth: 12280 bytes left
[    5.872222] ip (1194) used greatest stack depth: 11992 bytes left
[   66.865603] ip (4781) used greatest stack depth: 11928 bytes left
[  551.171811] pm_nl_ctl (26107) used greatest stack depth: 11848 bytes left