[    2.380322] ip (259) used greatest stack depth: 12392 bytes left
[    3.051533] ip (296) used greatest stack depth: 12344 bytes left
[   49.561586] ip (1891) used greatest stack depth: 12304 bytes left
[   60.628014] netem: version 1.3
[  100.931066] ip (2639) used greatest stack depth: 12272 bytes left
[  586.771988] ip (11797) used greatest stack depth: 12192 bytes left