[    2.013923] ip (262) used greatest stack depth: 12344 bytes left
[   51.172945] netem: version 1.3
[  354.002683] ip (5120) used greatest stack depth: 12184 bytes left
[  588.394168] ip (11525) used greatest stack depth: 12152 bytes left
[  598.600918] tc (11928) used greatest stack depth: 11872 bytes left