[    1.611990] ip (254) used greatest stack depth: 12720 bytes left
[    1.660304] ip (259) used greatest stack depth: 12144 bytes left
[   49.636998] netem: version 1.3
[  491.706977] ip (15273) used greatest stack depth: 12096 bytes left
[  546.520456] tc (16941) used greatest stack depth: 11896 bytes left
[  603.767468] pm_nl_ctl (20241) used greatest stack depth: 11864 bytes left