[ 1404.321106][    C1] tc mirred to Houston: device veth2 is down
[ 1404.402100][    C1] tc mirred to Houston: device veth2 is down
[ 1404.931021][    C1] tc mirred to Houston: device veth2 is down
[ 1405.123077][    C1] tc mirred to Houston: device veth2 is down
[ 1405.184200][    C1] tc mirred to Houston: device veth3 is down
[ 1405.267019][    C1] tc mirred to Houston: device veth3 is down
[ 1405.474139][    C1] tc mirred to Houston: device veth3 is down
[ 1405.522029][    C2] tc mirred to Houston: device veth3 is down