[ 939.226099][ C1] tc mirred to Houston: device veth2 is down [ 939.659063][ C1] tc mirred to Houston: device veth2 is down [ 939.819233][ C3] tc mirred to Houston: device veth2 is down [ 940.076230][ C3] tc mirred to Houston: device veth2 is down [ 940.082018][ C3] tc mirred to Houston: device veth3 is down [ 940.243430][ C1] tc mirred to Houston: device veth3 is down