[    1.697715] ip (249) used greatest stack depth: 12392 bytes left
[    1.895888] ip (262) used greatest stack depth: 12344 bytes left
[   39.213917] ip (1698) used greatest stack depth: 12184 bytes left
[   49.692927] netem: version 1.3
[   59.961158] ip (2242) used greatest stack depth: 12168 bytes left