[    1.702462] ip (267) used greatest stack depth: 12440 bytes left
[    1.846415] ip (286) used greatest stack depth: 12328 bytes left
[    1.918710] ip (296) used greatest stack depth: 12184 bytes left
[   74.059851] netem: version 1.3
[  620.201200] tc (24871) used greatest stack depth: 11880 bytes left