[    2.365325] ip (264) used greatest stack depth: 12680 bytes left
[    2.501637] ip (273) used greatest stack depth: 12360 bytes left
[    2.629774] ip (282) used greatest stack depth: 12344 bytes left
[   58.272943] netem: version 1.3
[   78.667702] ip (2509) used greatest stack depth: 12304 bytes left
[  401.349998] ip (6549) used greatest stack depth: 12192 bytes left