[    2.275952] ip (200) used greatest stack depth: 12448 bytes left
[    2.317663] ip (209) used greatest stack depth: 12440 bytes left
[   18.268949] ip (1774) used greatest stack depth: 12000 bytes left
[   18.331514] ip (1792) used greatest stack depth: 11984 bytes left
[  542.086897] pm_nl_ctl (27808) used greatest stack depth: 11864 bytes left