[    2.146440] ip (294) used greatest stack depth: 12272 bytes left
[   28.198653] ip (1550) used greatest stack depth: 12128 bytes left
[   48.859669] netem: version 1.3
[  565.699270] tc (15680) used greatest stack depth: 11952 bytes left
[  623.165149] pm_nl_ctl (18824) used greatest stack depth: 11608 bytes left