[    2.137422] ip (184) used greatest stack depth: 12264 bytes left
[    4.165680] ip (702) used greatest stack depth: 12064 bytes left
[   43.800393] ip (3313) used greatest stack depth: 12048 bytes left
[  104.598337] ip (5360) used greatest stack depth: 12008 bytes left
[  548.462296] pm_nl_ctl (26106) used greatest stack depth: 11912 bytes left