[    2.225056] ip (191) used greatest stack depth: 12280 bytes left
[    2.256561] ip (199) used greatest stack depth: 12080 bytes left
[    2.317712] ip (217) used greatest stack depth: 12072 bytes left
[    4.692002] ip (856) used greatest stack depth: 12048 bytes left
[    5.290274] ip (1022) used greatest stack depth: 12016 bytes left
[  548.443325] pm_nl_ctl (26360) used greatest stack depth: 11912 bytes left