[    1.991614] ip (255) used greatest stack depth: 12392 bytes left
[    2.321316] ip (277) used greatest stack depth: 12344 bytes left
[   11.118486] ip (1019) used greatest stack depth: 12192 bytes left
[   60.178573] netem: version 1.3
[  682.152565] pm_nl_ctl (18733) used greatest stack depth: 11872 bytes left