[ 1671.811364][ T6632] tc (6632) used greatest stack depth: 23272 bytes left
[ 1671.996903][    C2] tc mirred to Houston: device veth2 is down
[ 1672.046818][    C0] tc mirred to Houston: device veth2 is down
[ 1672.328894][    C0] tc mirred to Houston: device veth2 is down
[ 1672.880970][    C2] tc mirred to Houston: device veth2 is down
[ 1673.117926][    C0] tc mirred to Houston: device veth3 is down
[ 1673.376798][    C0] tc mirred to Houston: device veth3 is down
[ 1673.393162][    C2] tc mirred to Houston: device veth2 is down
[ 1673.393995][    C2] tc mirred to Houston: device veth2 is down
[ 1673.488800][    C2] tc mirred to Houston: device veth3 is down