[  856.358300][    C3] tc mirred to Houston: device veth2 is down
[  856.531127][    C3] tc mirred to Houston: device veth2 is down
[  857.131268][    C3] tc mirred to Houston: device veth3 is down
[  857.132000][    C3] tc mirred to Houston: device veth2 is down
[  857.235229][    C2] tc mirred to Houston: device veth3 is down
[  857.323199][    C3] tc mirred to Houston: device veth2 is down