[    9.967412][  T235] ip (235) used greatest stack depth: 24384 bytes left
[   54.186528][ T1729] ip (1729) used greatest stack depth: 24328 bytes left
[   75.323756][ T2269] ip (2269) used greatest stack depth: 24256 bytes left
[   86.095618][ T2756] ip (2756) used greatest stack depth: 23624 bytes left
[  137.848796][ T4305] netem: version 1.3
[  819.457943][T16182] ip (16182) used greatest stack depth: 22648 bytes left