[    2.154448] ip (191) used greatest stack depth: 12264 bytes left
[   51.387806] ip (4419) used greatest stack depth: 12048 bytes left
[   69.809215] ip (4815) used greatest stack depth: 11992 bytes left
[  564.950980] pm_nl_ctl (26367) used greatest stack depth: 11912 bytes left