[    1.950495] ip (250) used greatest stack depth: 12384 bytes left
[    2.321893] ip (272) used greatest stack depth: 12352 bytes left
[    2.440388] ip (281) used greatest stack depth: 12336 bytes left
[   55.081336] netem: version 1.3
[  206.369582] ip (3708) used greatest stack depth: 12184 bytes left
[  509.166426] ip (9446) used greatest stack depth: 12152 bytes left