[    1.924234] ip (251) used greatest stack depth: 12392 bytes left
[    2.396133] ip (282) used greatest stack depth: 12352 bytes left
[    3.747587] ip (381) used greatest stack depth: 12344 bytes left
[    5.037966] ip (474) used greatest stack depth: 12312 bytes left
[   52.571226] netem: version 1.3
[   60.495238] ip (2245) used greatest stack depth: 12168 bytes left
[  330.730083] ip (5212) used greatest stack depth: 12072 bytes left