[    2.249871] ip (190) used greatest stack depth: 12264 bytes left
[    2.281093] ip (198) used greatest stack depth: 12048 bytes left
[   60.910998] ip (4628) used greatest stack depth: 12008 bytes left
[  122.031648] ip (5411) used greatest stack depth: 11992 bytes left
[  564.085086] pm_nl_ctl (26367) used greatest stack depth: 11912 bytes left