[    1.487774] readlink (197) used greatest stack depth: 12864 bytes left
[    2.003535] ip (258) used greatest stack depth: 12392 bytes left
[    2.301028] ip (277) used greatest stack depth: 12360 bytes left
[    3.823049] ip (384) used greatest stack depth: 12344 bytes left
[   53.138470] netem: version 1.3
[  100.130386] ip (2914) used greatest stack depth: 12304 bytes left
[  650.835774] ip (14791) used greatest stack depth: 12288 bytes left