[    2.040280] ip (253) used greatest stack depth: 12296 bytes left
[    2.440303] ip (285) used greatest stack depth: 12248 bytes left
[   54.259989] netem: version 1.3
[  554.759267] tc (15679) used greatest stack depth: 11912 bytes left
[  612.572639] pm_nl_ctl (18824) used greatest stack depth: 11560 bytes left