[    1.831469] ip (254) used greatest stack depth: 12352 bytes left
[   29.746777] ip (1292) used greatest stack depth: 12312 bytes left
[   52.373835] netem: version 1.3
[  323.514640] ip (4931) used greatest stack depth: 12200 bytes left
[  343.905573] ip (5303) used greatest stack depth: 12072 bytes left
[  618.142853] tc (12613) used greatest stack depth: 11936 bytes left