[    2.255651] ip (198) used greatest stack depth: 12104 bytes left
[   68.905308] ip (5223) used greatest stack depth: 12016 bytes left
[  115.425517] ip (5825) used greatest stack depth: 11992 bytes left
[  560.516957] pm_nl_ctl (27788) used greatest stack depth: 11912 bytes left