[    1.982054] ip (249) used greatest stack depth: 12392 bytes left
[    2.203372] ip (261) used greatest stack depth: 12344 bytes left
[    8.931719] ip (741) used greatest stack depth: 12168 bytes left
[   52.045564] netem: version 1.3
[  112.683808] ip (2620) used greatest stack depth: 12072 bytes left
[  587.529754] tc (11921) used greatest stack depth: 11872 bytes left