[    1.999620] ip (257) used greatest stack depth: 12320 bytes left
[    2.507434] ip (289) used greatest stack depth: 12272 bytes left
[   52.338222] ip (2715) used greatest stack depth: 12144 bytes left
[   59.082433] netem: version 1.3
[  531.027389] ip (14082) used greatest stack depth: 12112 bytes left
[  551.859233] ip (14494) used greatest stack depth: 11992 bytes left
[  591.445204] tc (15595) used greatest stack depth: 11896 bytes left
[  659.800085] pm_nl_ctl (18731) used greatest stack depth: 11592 bytes left