[    1.774233] ip (259) used greatest stack depth: 12424 bytes left
[    1.868004] ip (267) used greatest stack depth: 12392 bytes left
[    2.021725] ip (285) used greatest stack depth: 12248 bytes left
[    2.097592] ip (294) used greatest stack depth: 12216 bytes left
[   50.665517] netem: version 1.3
[   95.644343] ip (3936) used greatest stack depth: 12200 bytes left
[  541.931074] tc (16939) used greatest stack depth: 11896 bytes left
[  602.225086] pm_nl_ctl (20238) used greatest stack depth: 11856 bytes left