[    2.218033] ip (274) used greatest stack depth: 12512 bytes left
[    2.295599] ip (281) used greatest stack depth: 12400 bytes left
[    2.418219] ip (292) used greatest stack depth: 12272 bytes left
[   58.057350] netem: version 1.3
[  192.592137] ip (4193) used greatest stack depth: 12144 bytes left
[  625.820175] tc (15598) used greatest stack depth: 11896 bytes left
[  692.720681] pm_nl_ctl (18735) used greatest stack depth: 11608 bytes left