[ 1474.174805][    C1] tc mirred to Houston: device veth2 is down
[ 1474.396318][    C1] tc mirred to Houston: device veth2 is down
[ 1474.452327][    C1] tc mirred to Houston: device veth2 is down
[ 1475.060298][    C3] tc mirred to Houston: device veth3 is down
[ 1475.155344][    C3] tc mirred to Houston: device veth3 is down
[ 1475.196318][    C1] tc mirred to Houston: device veth2 is down
[ 1475.300307][    C3] tc mirred to Houston: device veth3 is down