[    2.220669] ip (200) used greatest stack depth: 12536 bytes left
[    2.252464] ip (209) used greatest stack depth: 12472 bytes left
[    2.284268] ip (218) used greatest stack depth: 12464 bytes left
[    5.316687] ip (1045) used greatest stack depth: 12320 bytes left
[   18.080690] ip (1792) used greatest stack depth: 12056 bytes left
[   23.715608] ip (1959) used greatest stack depth: 12024 bytes left
[  543.778227] pm_nl_ctl (27782) used greatest stack depth: 11912 bytes left