[    2.298187] ip (226) used greatest stack depth: 12312 bytes left
[   58.292392] ip (4438) used greatest stack depth: 12176 bytes left
[  111.682302] ip (5199) used greatest stack depth: 12160 bytes left
[  544.988040] pm_nl_ctl (25169) used greatest stack depth: 11944 bytes left