[ 1970.378706][    C1] tc mirred to Houston: device veth2 is down
[ 1971.209899][    C1] tc mirred to Houston: device veth2 is down
[ 1971.213987][    C2] tc mirred to Houston: device veth3 is down
[ 1971.274661][    C2] tc mirred to Houston: device veth2 is down
[ 1971.338657][    C2] tc mirred to Houston: device veth2 is down
[ 1971.370642][    C2] tc mirred to Houston: device veth3 is down