[    1.828729] ip (255) used greatest stack depth: 12392 bytes left
[    2.153523] ip (277) used greatest stack depth: 12344 bytes left
[   52.877740] netem: version 1.3
[   72.303520] ip (2490) used greatest stack depth: 12280 bytes left
[  139.905583] ip (3147) used greatest stack depth: 12120 bytes left
[  599.124555] tc (12617) used greatest stack depth: 11936 bytes left