[    1.713079] ip (257) used greatest stack depth: 12144 bytes left
[   50.084680] netem: version 1.3
[   58.138724] ip (3241) used greatest stack depth: 11976 bytes left
[  551.716729] tc (16942) used greatest stack depth: 11896 bytes left
[  607.858659] pm_nl_ctl (20243) used greatest stack depth: 11864 bytes left