[    2.276436] ip (185) used greatest stack depth: 12264 bytes left
[    2.951203] ip (370) used greatest stack depth: 12048 bytes left
[   65.324780] ip (4832) used greatest stack depth: 12024 bytes left
[   97.905019] ip (5418) used greatest stack depth: 11992 bytes left
[  541.515831] pm_nl_ctl (26356) used greatest stack depth: 11912 bytes left