[    2.427958] ip (292) used greatest stack depth: 12288 bytes left
[    6.152453] ip (659) used greatest stack depth: 12128 bytes left
[   53.168737] netem: version 1.3
[  577.680161] tc (15679) used greatest stack depth: 11936 bytes left
[  635.046558] pm_nl_ctl (18823) used greatest stack depth: 11880 bytes left