[ 1512.710522][    C1] tc mirred to Houston: device veth2 is down
[ 1512.756965][    C1] tc mirred to Houston: device veth2 is down
[ 1513.141048][    C1] tc mirred to Houston: device veth2 is down
[ 1513.525095][    C1] tc mirred to Houston: device veth2 is down
[ 1513.714206][    C2] tc mirred to Houston: device veth3 is down
[ 1513.781446][    C1] tc mirred to Houston: device veth2 is down
[ 1513.782235][    C1] tc mirred to Houston: device veth2 is down