[    3.620570] ip (561) used greatest stack depth: 12160 bytes left
[   23.754243] ip (1968) used greatest stack depth: 12032 bytes left
[   69.475973] ip (5234) used greatest stack depth: 11976 bytes left
[  550.785523] pm_nl_ctl (27772) used greatest stack depth: 11912 bytes left