[    2.865313] ip (278) used greatest stack depth: 12360 bytes left
[    3.204045] ip (296) used greatest stack depth: 12344 bytes left
[   61.880056] netem: version 1.3
[  503.650022] ip (10071) used greatest stack depth: 12304 bytes left
[  539.572289] ip (11711) used greatest stack depth: 12064 bytes left