[   18.006004] ip (1784) used greatest stack depth: 12056 bytes left
[   51.476056] ip (4255) used greatest stack depth: 12040 bytes left
[   60.509349] ip (5025) used greatest stack depth: 11992 bytes left
[  551.556605] pm_nl_ctl (27773) used greatest stack depth: 11896 bytes left