[    2.341494] ip (226) used greatest stack depth: 12184 bytes left
[    5.889609] ip (1216) used greatest stack depth: 12056 bytes left
[   60.275837] ip (4626) used greatest stack depth: 12000 bytes left
[  558.270038] pm_nl_ctl (26362) used greatest stack depth: 11848 bytes left