[    2.380918] ip (216) used greatest stack depth: 12072 bytes left
[    2.978853] ip (374) used greatest stack depth: 12056 bytes left
[   32.280833] ip (2940) used greatest stack depth: 12016 bytes left
[   96.457777] ip (5293) used greatest stack depth: 12000 bytes left
[  540.512229] pm_nl_ctl (25814) used greatest stack depth: 11912 bytes left