[    2.871509] ip (379) used greatest stack depth: 12272 bytes left
[   12.325813] ip (1611) used greatest stack depth: 12056 bytes left
[   17.938910] ip (1774) used greatest stack depth: 12032 bytes left
[   60.934453] ip (4997) used greatest stack depth: 12016 bytes left
[  556.187735] pm_nl_ctl (27779) used greatest stack depth: 11912 bytes left