[    2.489829] ip (288) used greatest stack depth: 12320 bytes left
[   53.034283] netem: version 1.3
[   88.379778] ip (2481) used greatest stack depth: 12272 bytes left
[  127.927120] ip (2844) used greatest stack depth: 12032 bytes left
[  558.700406] ip (11189) used greatest stack depth: 12016 bytes left
[  589.021377] tc (11939) used greatest stack depth: 11872 bytes left