[ 1750.082023][    C3] tc mirred to Houston: device veth2 is down
[ 1750.808793][    C3] tc mirred to Houston: device veth2 is down
[ 1750.809350][    C3] tc mirred to Houston: device veth2 is down
[ 1751.000695][    C3] tc mirred to Houston: device veth2 is down
[ 1751.288903][    C1] tc mirred to Houston: device veth3 is down
[ 1751.599742][    C2] tc mirred to Houston: device veth3 is down
[ 1751.775686][    C2] tc mirred to Houston: device veth3 is down