[    2.397625] ip (287) used greatest stack depth: 12360 bytes left
[    3.937515] ip (393) used greatest stack depth: 12344 bytes left
[   55.754909] netem: version 1.3
[   73.085779] ip (2509) used greatest stack depth: 12304 bytes left
[  152.884939] ip (3241) used greatest stack depth: 12192 bytes left
[  400.104917] ip (7259) used greatest stack depth: 12064 bytes left