[    2.273017] ip (216) used greatest stack depth: 12280 bytes left
[   23.170180] ip (1857) used greatest stack depth: 12008 bytes left
[   72.558528] ip (4762) used greatest stack depth: 11992 bytes left
[  573.448797] pm_nl_ctl (26098) used greatest stack depth: 11912 bytes left