[ 1971.105456][    C2] tc mirred to Houston: device veth2 is down
[ 1971.345521][    C2] tc mirred to Houston: device veth2 is down
[ 1971.547059][    C2] tc mirred to Houston: device veth2 is down
[ 1971.761766][    C3] tc mirred to Houston: device veth2 is down
[ 1972.029383][    C1] tc mirred to Houston: device veth3 is down