[ 2162.967866][    C2] tc mirred to Houston: device veth2 is down
[ 2163.027862][    C2] tc mirred to Houston: device veth2 is down
[ 2163.658953][    C2] tc mirred to Houston: device veth2 is down
[ 2163.786977][    C2] tc mirred to Houston: device veth2 is down
[ 2163.791846][    C3] tc mirred to Houston: device veth3 is down
[ 2163.804866][    C3] tc mirred to Houston: device veth3 is down