[    1.527689] ss (236) used greatest stack depth: 12608 bytes left
[    1.685981] ip (258) used greatest stack depth: 12144 bytes left
[   50.749092] netem: version 1.3
[  103.444202] ip (4064) used greatest stack depth: 12096 bytes left
[  544.815167] tc (16941) used greatest stack depth: 11896 bytes left
[  602.128609] pm_nl_ctl (20242) used greatest stack depth: 11864 bytes left