[ 1398.703671][    C1] tc mirred to Houston: device veth2 is down
[ 1399.181561][    C1] tc mirred to Houston: device veth2 is down
[ 1399.237675][    C1] tc mirred to Houston: device veth2 is down
[ 1399.492583][    C1] tc mirred to Houston: device veth2 is down
[ 1399.594762][    C3] tc mirred to Houston: device veth3 is down
[ 1399.957673][    C3] tc mirred to Houston: device veth3 is down