[   42.423428][  T286] ip (286) used greatest stack depth: 23872 bytes left
[  272.485309][ T1535] ip (1535) used greatest stack depth: 23632 bytes left
[  288.770859][ T1634] ip (1634) used greatest stack depth: 23576 bytes left
[  404.996049][ T2246] netem: version 1.3