[    2.190779] ip (199) used greatest stack depth: 12520 bytes left
[    2.210166] ip (205) used greatest stack depth: 12488 bytes left
[    2.220407] ip (208) used greatest stack depth: 12480 bytes left
[    2.281167] ip (226) used greatest stack depth: 12472 bytes left
[    3.447294] ip (555) used greatest stack depth: 12408 bytes left
[    3.967408] ip (704) used greatest stack depth: 12008 bytes left
[  537.712837] pm_nl_ctl (26109) used greatest stack depth: 11912 bytes left