[ 3254.911468][T31951] ip (31951) used greatest stack depth: 23568 bytes left
[ 3259.345370][T31982] u32 classifier
[ 3259.345677][T31982]     input device check on
[ 3259.345934][T31982]     Actions configured
[ 3259.610836][T31984] netem: version 1.3
[ 3261.041374][    C2] htb: netem qdisc 10: is non-work-conserving?