[    1.891359] ip (255) used greatest stack depth: 12912 bytes left
[    2.072571] ip (268) used greatest stack depth: 12552 bytes left
[    2.261956] ip (286) used greatest stack depth: 12360 bytes left
[    8.628170] ip (793) used greatest stack depth: 12344 bytes left
[   52.092189] netem: version 1.3
[   71.344699] ip (2517) used greatest stack depth: 12288 bytes left
[  103.154825] ip (2751) used greatest stack depth: 12064 bytes left
[  594.286084] tc (12616) used greatest stack depth: 11936 bytes left