[ 1821.501808][ C1] tc mirred to Houston: device veth2 is down [ 1822.067699][ C2] tc mirred to Houston: device veth2 is down [ 1822.068306][ C2] tc mirred to Houston: device veth2 is down [ 1822.197592][ C1] tc mirred to Houston: device veth2 is down [ 1822.733829][ C3] tc mirred to Houston: device veth3 is down [ 1822.811658][ C2] tc mirred to Houston: device veth3 is down [ 1823.093087][ C2] tc mirred to Houston: device veth2 is down [ 1823.093677][ C2] tc mirred to Houston: device veth2 is down [ 1823.187689][ C2] tc mirred to Houston: device veth3 is down [ 1834.292636][ C2] tc mirred to Houston: device veth2 is down