[    2.238334] ip (200) used greatest stack depth: 12504 bytes left
[    2.271079] ip (209) used greatest stack depth: 12432 bytes left
[    2.335619] ip (227) used greatest stack depth: 12000 bytes left
[    4.195400] ip (734) used greatest stack depth: 11960 bytes left
[  543.688560] pm_nl_ctl (27776) used greatest stack depth: 11864 bytes left