[    2.138623] ip (185) used greatest stack depth: 12360 bytes left
[   28.350353] ip (2065) used greatest stack depth: 12104 bytes left
[   60.430955] ip (4430) used greatest stack depth: 12088 bytes left
[  559.767669] pm_nl_ctl (25154) used greatest stack depth: 11944 bytes left