[    9.749011] ip (1134) used greatest stack depth: 12200 bytes left
[   49.206655] netem: version 1.3
[   59.359481] ip (3011) used greatest stack depth: 12072 bytes left
[  585.815058] tc (15683) used greatest stack depth: 11952 bytes left
[  643.597749] pm_nl_ctl (18829) used greatest stack depth: 11848 bytes left