[    4.583720] ip (838) used greatest stack depth: 12296 bytes left
[   59.161417] ip (4609) used greatest stack depth: 12280 bytes left
[  104.255317] ip (5401) used greatest stack depth: 12000 bytes left
[  546.437812] pm_nl_ctl (26360) used greatest stack depth: 11912 bytes left