[    2.245617] ip (186) used greatest stack depth: 12264 bytes left
[    5.323808] ip (1040) used greatest stack depth: 12048 bytes left
[   65.417904] ip (4824) used greatest stack depth: 12008 bytes left
[  545.338464] pm_nl_ctl (26360) used greatest stack depth: 11912 bytes left