[    1.777377] ip (257) used greatest stack depth: 12632 bytes left
[    1.926722] ip (267) used greatest stack depth: 12624 bytes left
[    2.117463] ip (285) used greatest stack depth: 12344 bytes left
[   10.346080] ip (986) used greatest stack depth: 12192 bytes left
[   52.587113] netem: version 1.3
[  613.754534] tc (12617) used greatest stack depth: 11936 bytes left