[    1.709352] ip (254) used greatest stack depth: 12392 bytes left
[    2.088125] ip (286) used greatest stack depth: 12360 bytes left
[    3.287539] ip (392) used greatest stack depth: 12344 bytes left
[   54.057986] netem: version 1.3
[  134.439864] ip (3037) used greatest stack depth: 12304 bytes left
[  557.890916] ip (11273) used greatest stack depth: 12064 bytes left