[    2.160939] ip (256) used greatest stack depth: 12456 bytes left
[    2.194734] ip (259) used greatest stack depth: 12392 bytes left
[    2.685578] ip (287) used greatest stack depth: 12344 bytes left
[   63.021163] netem: version 1.3
[  690.468900] pm_nl_ctl (18729) used greatest stack depth: 11832 bytes left