[ 1477.492551][    C3] tc mirred to Houston: device veth2 is down
[ 1477.915598][    C3] tc mirred to Houston: device veth2 is down
[ 1478.204541][    C3] tc mirred to Houston: device veth2 is down
[ 1478.268560][    C3] tc mirred to Houston: device veth2 is down
[ 1478.389028][    C1] tc mirred to Houston: device veth3 is down
[ 1478.732543][    C1] tc mirred to Houston: device veth3 is down
[ 1478.772539][    C3] tc mirred to Houston: device veth3 is down