[    2.123937] ip (255) used greatest stack depth: 12912 bytes left
[    2.163406] ip (258) used greatest stack depth: 12392 bytes left
[    2.672558] ip (286) used greatest stack depth: 12360 bytes left
[    4.178537] ip (392) used greatest stack depth: 12344 bytes left
[    7.042797] ip (583) used greatest stack depth: 12304 bytes left
[   56.636585] netem: version 1.3
[   65.457776] ip (2490) used greatest stack depth: 12288 bytes left