[    2.648649] ip (292) used greatest stack depth: 12384 bytes left
[   64.826911] netem: version 1.3
[  228.588285] ip (4857) used greatest stack depth: 12256 bytes left
[  634.148099] tc (15682) used greatest stack depth: 11936 bytes left
[  699.735479] pm_nl_ctl (18828) used greatest stack depth: 11880 bytes left