[    1.880128] ip (258) used greatest stack depth: 12392 bytes left
[    2.212524] ip (287) used greatest stack depth: 12344 bytes left
[   55.860663] netem: version 1.3
[   78.350090] ip (2624) used greatest stack depth: 12192 bytes left
[  338.416295] ip (5315) used greatest stack depth: 12160 bytes left
[  625.458936] tc (12964) used greatest stack depth: 11936 bytes left