[    2.331369] ip (226) used greatest stack depth: 12448 bytes left
[   58.288352] ip (4510) used greatest stack depth: 12352 bytes left
[   58.315159] ip (4519) used greatest stack depth: 12088 bytes left
[  548.410672] pm_nl_ctl (25810) used greatest stack depth: 11944 bytes left