[    2.240025] ip (197) used greatest stack depth: 12440 bytes left
[    2.305462] ip (215) used greatest stack depth: 12432 bytes left
[    4.096053] ip (707) used greatest stack depth: 12224 bytes left
[    6.694759] ip (1436) used greatest stack depth: 11984 bytes left
[   23.538649] ip (1949) used greatest stack depth: 11960 bytes left
[  541.949649] pm_nl_ctl (27796) used greatest stack depth: 11864 bytes left