[    2.101829] ip (256) used greatest stack depth: 12456 bytes left
[    2.796437] ip (287) used greatest stack depth: 12360 bytes left
[    5.685646] ip (493) used greatest stack depth: 12344 bytes left
[   55.446585] netem: version 1.3
[  404.234810] ip (6863) used greatest stack depth: 12288 bytes left
[  604.911425] tc (12612) used greatest stack depth: 11936 bytes left