[    2.754600] ip (374) used greatest stack depth: 12112 bytes left
[   22.683234] ip (1837) used greatest stack depth: 12088 bytes left
[   59.184513] ip (4507) used greatest stack depth: 12072 bytes left
[  551.508506] pm_nl_ctl (25823) used greatest stack depth: 11944 bytes left