[ 1599.272371][ T7678] tc (7678) used greatest stack depth: 23232 bytes left [ 1599.428191][ C2] tc mirred to Houston: device veth2 is down [ 1599.499055][ C0] tc mirred to Houston: device veth2 is down [ 1599.595118][ C2] tc mirred to Houston: device veth2 is down [ 1600.187102][ C0] tc mirred to Houston: device veth2 is down [ 1600.426131][ C2] tc mirred to Houston: device veth3 is down [ 1600.740107][ C2] tc mirred to Houston: device veth3 is down [ 1600.867176][ C0] tc mirred to Houston: device veth3 is down