[ 1479.857710][    C1] tc mirred to Houston: device veth2 is down
[ 1480.457820][    C1] tc mirred to Houston: device veth2 is down
[ 1480.522007][    C2] tc mirred to Houston: device veth2 is down
[ 1480.585892][    C2] tc mirred to Houston: device veth2 is down
[ 1480.822761][    C2] tc mirred to Houston: device veth3 is down
[ 1480.929727][    C2] tc mirred to Houston: device veth3 is down
[ 1481.153841][    C2] tc mirred to Houston: device veth3 is down