[    1.882630] ip (247) used greatest stack depth: 12912 bytes left
[    1.969013] ip (252) used greatest stack depth: 12392 bytes left
[    2.076624] ip (259) used greatest stack depth: 12344 bytes left
[   38.428189] ip (1591) used greatest stack depth: 12296 bytes left
[   50.484085] netem: version 1.3
[  294.412244] ip (4173) used greatest stack depth: 12200 bytes left
[  587.962968] tc (11918) used greatest stack depth: 11872 bytes left