[    1.491262] ip (253) used greatest stack depth: 12152 bytes left
[    7.543153] ip (1087) used greatest stack depth: 11928 bytes left
[   74.923596] netem: version 1.3
[  618.880198] tc (24874) used greatest stack depth: 11864 bytes left
[  681.247714] pm_nl_ctl (29003) used greatest stack depth: 11816 bytes left