[    3.031944] ip (378) used greatest stack depth: 12280 bytes left
[   37.771133] ip (3177) used greatest stack depth: 12048 bytes left
[   69.488541] ip (4819) used greatest stack depth: 12000 bytes left
[  562.392529] pm_nl_ctl (26403) used greatest stack depth: 11912 bytes left