[    2.171897] ip (186) used greatest stack depth: 12296 bytes left
[    3.478065] ip (527) used greatest stack depth: 12056 bytes left
[   28.878445] ip (2044) used greatest stack depth: 12040 bytes left
[   58.561073] ip (4522) used greatest stack depth: 12016 bytes left
[   76.201019] ip (4903) used greatest stack depth: 12000 bytes left
[  542.223042] pm_nl_ctl (25815) used greatest stack depth: 11912 bytes left