[    2.320627] ip (198) used greatest stack depth: 12504 bytes left
[    2.384196] ip (217) used greatest stack depth: 12264 bytes left
[    3.586073] ip (543) used greatest stack depth: 12032 bytes left
[    4.830466] ip (889) used greatest stack depth: 11992 bytes left
[   59.311632] ip (5023) used greatest stack depth: 11976 bytes left
[  549.122993] pm_nl_ctl (27768) used greatest stack depth: 11912 bytes left