[ 235.587791][ T1980] tc (1980) used greatest stack depth: 24064 bytes left [ 235.681046][ C2] tc mirred to Houston: device veth2 is down [ 236.488018][ C2] tc mirred to Houston: device veth2 is down [ 236.537968][ C2] tc mirred to Houston: device veth3 is down [ 236.544944][ C2] tc mirred to Houston: device veth3 is down [ 236.553944][ C2] tc mirred to Houston: device veth2 is down [ 236.615976][ C0] tc mirred to Houston: device veth2 is down [ 236.945269][ C2] tc mirred to Houston: device veth3 is down