[    2.193004] ip (293) used greatest stack depth: 12288 bytes left
[   56.770364] netem: version 1.3
[  414.487285] ip (9713) used greatest stack depth: 12256 bytes left
[  557.242808] tc (15680) used greatest stack depth: 11936 bytes left
[  613.553362] pm_nl_ctl (18825) used greatest stack depth: 11880 bytes left