[    1.903949] ip (255) used greatest stack depth: 12608 bytes left
[    1.990422] ip (262) used greatest stack depth: 12576 bytes left
[    2.072877] ip (271) used greatest stack depth: 12456 bytes left
[    2.161211] ip (280) used greatest stack depth: 12320 bytes left
[    7.723267] ip (756) used greatest stack depth: 12272 bytes left
[   49.238872] netem: version 1.3
[   83.347724] ip (2472) used greatest stack depth: 12160 bytes left
[  267.769327] ip (4189) used greatest stack depth: 12048 bytes left