[    1.839546] ip (249) used greatest stack depth: 12392 bytes left
[    2.046258] ip (261) used greatest stack depth: 12344 bytes left
[    4.779770] ip (463) used greatest stack depth: 12296 bytes left
[   51.341682] ip (2123) used greatest stack depth: 12184 bytes left
[   51.483016] netem: version 1.3
[  576.037094] tc (11919) used greatest stack depth: 11872 bytes left