[   29.319194][  T267] ip (267) used greatest stack depth: 24176 bytes left
[   41.171855][  T351] ip (351) used greatest stack depth: 24096 bytes left
[   76.157801][  T572] ip (572) used greatest stack depth: 24032 bytes left
[  354.025085][ T2119] netem: version 1.3
[  671.891313][ T3413] ip (3413) used greatest stack depth: 23736 bytes left