[    2.060728] ip (252) used greatest stack depth: 12392 bytes left
[    2.562035] ip (284) used greatest stack depth: 12360 bytes left
[    2.687993] ip (293) used greatest stack depth: 12344 bytes left
[   41.253375] ip (1567) used greatest stack depth: 12160 bytes left
[   44.641208] ip (1795) used greatest stack depth: 12128 bytes left
[   58.019067] netem: version 1.3