[    2.245532] ip (189) used greatest stack depth: 12256 bytes left
[    2.339277] ip (216) used greatest stack depth: 12056 bytes left
[    4.171742] ip (714) used greatest stack depth: 12040 bytes left
[   60.004639] ip (5021) used greatest stack depth: 11984 bytes left
[  552.650088] pm_nl_ctl (27770) used greatest stack depth: 11904 bytes left