[    2.363139] ip (208) used greatest stack depth: 12480 bytes left
[    6.257042] ip (1194) used greatest stack depth: 12016 bytes left
[   70.556417] ip (4763) used greatest stack depth: 11992 bytes left
[  562.792231] pm_nl_ctl (26107) used greatest stack depth: 11912 bytes left