[    1.667177] ip (248) used greatest stack depth: 12368 bytes left
[    1.903042] ip (269) used greatest stack depth: 12320 bytes left
[   27.273709] ip (1226) used greatest stack depth: 12272 bytes left
[   47.359690] netem: version 1.3
[  222.826094] ip (3850) used greatest stack depth: 12176 bytes left
[  384.930413] ip (6952) used greatest stack depth: 12160 bytes left