[    1.946829] ip (259) used greatest stack depth: 12392 bytes left
[    2.327565] ip (287) used greatest stack depth: 12344 bytes left
[   54.526463] netem: version 1.3
[  107.779824] ip (2888) used greatest stack depth: 12192 bytes left
[  114.748369] ip (3028) used greatest stack depth: 12160 bytes left
[  589.256258] tc (12617) used greatest stack depth: 11936 bytes left