[   15.023374][  T257] ip (257) used greatest stack depth: 23672 bytes left
[   33.250689][  T438] ip (438) used greatest stack depth: 23360 bytes left
[  441.699744][ T4323] netem: version 1.3
[ 2474.516758][T20813] tc (20813) used greatest stack depth: 23328 bytes left
[ 2784.841809][T24726] pm_nl_ctl (24726) used greatest stack depth: 21968 bytes left