[ 1912.846295][ T6829] tc (6829) used greatest stack depth: 24032 bytes left [ 1912.942186][ C0] tc mirred to Houston: device veth2 is down [ 1912.979288][ C0] tc mirred to Houston: device veth2 is down [ 1913.824096][ C0] tc mirred to Houston: device veth3 is down [ 1913.956254][ C0] tc mirred to Houston: device veth2 is down [ 1913.957112][ C0] tc mirred to Houston: device veth2 is down [ 1914.060165][ C0] tc mirred to Houston: device veth3 is down