[    1.853740] ip (250) used greatest stack depth: 12392 bytes left
[    2.256265] ip (280) used greatest stack depth: 12360 bytes left
[    2.359088] ip (289) used greatest stack depth: 12344 bytes left
[   52.644925] netem: version 1.3
[   80.770707] ip (2503) used greatest stack depth: 12200 bytes left
[  485.452074] ip (8920) used greatest stack depth: 12072 bytes left
[  577.884330] tc (11945) used greatest stack depth: 11936 bytes left