[    1.690028] ip (267) used greatest stack depth: 12392 bytes left
[    1.816000] ip (285) used greatest stack depth: 12376 bytes left
[    1.877876] ip (294) used greatest stack depth: 12200 bytes left
[   64.146745] netem: version 1.3
[  619.096062] tc (23603) used greatest stack depth: 11880 bytes left
[  683.472303] pm_nl_ctl (27731) used greatest stack depth: 11864 bytes left