[    2.129370] ip (197) used greatest stack depth: 12312 bytes left
[   28.274199] ip (2065) used greatest stack depth: 12064 bytes left
[  104.734737] ip (5192) used greatest stack depth: 12056 bytes left
[  531.101839] pm_nl_ctl (24829) used greatest stack depth: 11936 bytes left