[ 1620.089898][ C3] tc mirred to Houston: device veth2 is down [ 1620.376978][ C3] tc mirred to Houston: device veth2 is down [ 1620.432780][ C1] tc mirred to Houston: device veth2 is down [ 1620.791883][ C3] tc mirred to Houston: device veth2 is down [ 1620.914916][ C2] tc mirred to Houston: device veth3 is down