[   47.948081] netem: version 1.3
[   95.508759] ip (3732) used greatest stack depth: 12136 bytes left
[   95.651162] ip (3749) used greatest stack depth: 11944 bytes left
[  551.465396] tc (16943) used greatest stack depth: 11928 bytes left
[  606.783970] pm_nl_ctl (20244) used greatest stack depth: 11848 bytes left