[    1.569943] ip (248) used greatest stack depth: 12912 bytes left
[    1.687443] ip (260) used greatest stack depth: 12752 bytes left
[    1.709168] ip (263) used greatest stack depth: 12608 bytes left
[    1.738107] ip (267) used greatest stack depth: 12528 bytes left
[    1.752564] ip (269) used greatest stack depth: 12320 bytes left
[   45.767794] netem: version 1.3
[  479.852015] ip (8784) used greatest stack depth: 12272 bytes left
[  557.230514] tc (11900) used greatest stack depth: 11872 bytes left