[    1.612982] ip (251) used greatest stack depth: 12264 bytes left
[   48.903217] netem: version 1.3
[  492.924426] ip (12447) used greatest stack depth: 12216 bytes left
[  566.053475] tc (15680) used greatest stack depth: 11952 bytes left
[  625.295698] pm_nl_ctl (18825) used greatest stack depth: 11848 bytes left