[    1.717056] ip (270) used greatest stack depth: 12320 bytes left
[    3.206444] ip (433) used greatest stack depth: 12272 bytes left
[    6.893198] ip (829) used greatest stack depth: 12160 bytes left
[   45.185699] netem: version 1.3
[  484.721305] ip (10545) used greatest stack depth: 12048 bytes left