[    1.577903] ip (257) used greatest stack depth: 12280 bytes left
[    1.872074] ip (286) used greatest stack depth: 12232 bytes left
[   48.414494] netem: version 1.3
[  327.474338] ip (7052) used greatest stack depth: 12024 bytes left
[  618.024667] tc (21340) used greatest stack depth: 11952 bytes left
[  674.923989] pm_nl_ctl (24481) used greatest stack depth: 11872 bytes left