[ 1021.939102][ T7498] tc (7498) used greatest stack depth: 23520 bytes left
[ 1021.975476][    C0] tc mirred to Houston: device veth2 is down
[ 1022.102456][    C0] tc mirred to Houston: device veth2 is down
[ 1022.131451][    C0] tc mirred to Houston: device veth3 is down
[ 1022.160424][    C0] tc mirred to Houston: device veth3 is down