[ 1344.450803][ C2] tc mirred to Houston: device veth2 is down [ 1344.770957][ C2] tc mirred to Houston: device veth2 is down [ 1344.986780][ C1] tc mirred to Houston: device veth2 is down [ 1345.158931][ C3] tc mirred to Houston: device veth3 is down [ 1345.433895][ C3] tc mirred to Houston: device veth2 is down