[    2.231624] ip (198) used greatest stack depth: 12104 bytes left
[   28.819610] ip (2105) used greatest stack depth: 12032 bytes left
[   50.121356] ip (3893) used greatest stack depth: 12008 bytes left
[  566.463225] pm_nl_ctl (26370) used greatest stack depth: 11912 bytes left