[ 1506.137866][    C1] tc mirred to Houston: device veth2 is down
[ 1506.138834][    C1] tc mirred to Houston: device veth2 is down
[ 1506.283848][    C1] tc mirred to Houston: device veth3 is down
[ 1506.326789][    C1] tc mirred to Houston: device veth3 is down
[ 1506.341744][    C1] tc mirred to Houston: device veth3 is down