[ 1527.146711][    C1] tc mirred to Houston: device veth2 is down
[ 1527.357408][    C1] tc mirred to Houston: device veth2 is down
[ 1527.365280][    C1] tc mirred to Houston: device veth2 is down
[ 1527.949328][    C1] tc mirred to Houston: device veth2 is down
[ 1528.083563][    C2] tc mirred to Houston: device veth3 is down
[ 1528.357368][    C2] tc mirred to Houston: device veth3 is down
[ 1528.429440][    C2] tc mirred to Houston: device veth3 is down