[    2.144729] ip (187) used greatest stack depth: 12256 bytes left
[   69.593658] ip (5212) used greatest stack depth: 12024 bytes left
[  108.932755] ip (5822) used greatest stack depth: 11976 bytes left
[  554.867492] pm_nl_ctl (27774) used greatest stack depth: 11912 bytes left