[    1.952789] ip (258) used greatest stack depth: 12632 bytes left
[    2.129626] ip (268) used greatest stack depth: 12600 bytes left
[    2.343216] ip (286) used greatest stack depth: 12344 bytes left
[   54.747999] netem: version 1.3
[  553.304614] ip (10947) used greatest stack depth: 12192 bytes left