[ 1668.183229][    C2] tc mirred to Houston: device veth2 is down
[ 1668.271258][    C2] tc mirred to Houston: device veth2 is down
[ 1668.655313][    C2] tc mirred to Houston: device veth2 is down
[ 1669.034472][    C3] tc mirred to Houston: device veth3 is down
[ 1669.095064][    C3] tc mirred to Houston: device veth2 is down
[ 1669.191040][    C1] tc mirred to Houston: device veth3 is down
[ 1669.463125][    C3] tc mirred to Houston: device veth3 is down