[    2.268822] ip (191) used greatest stack depth: 12280 bytes left
[   12.279611] ip (1546) used greatest stack depth: 12080 bytes left
[   29.145520] ip (2102) used greatest stack depth: 12016 bytes left
[  111.472118] ip (5420) used greatest stack depth: 12000 bytes left
[  551.905645] pm_nl_ctl (26351) used greatest stack depth: 11912 bytes left