[    1.861929] ip (250) used greatest stack depth: 12320 bytes left
[   48.678882] netem: version 1.3
[   74.805303] ip (2487) used greatest stack depth: 12272 bytes left
[  424.111626] ip (7932) used greatest stack depth: 12144 bytes left
[  529.759552] tc (11917) used greatest stack depth: 11872 bytes left