[    2.167671] ip (200) used greatest stack depth: 12536 bytes left
[    2.197107] ip (209) used greatest stack depth: 12528 bytes left
[    2.256095] ip (227) used greatest stack depth: 12464 bytes left
[    2.853754] ip (388) used greatest stack depth: 11992 bytes left
[  565.855388] pm_nl_ctl (27768) used greatest stack depth: 11912 bytes left