[  874.003496][    C3] tc mirred to Houston: device veth2 is down
[  874.019459][    C3] tc mirred to Houston: device veth2 is down
[  874.358269][    C3] tc mirred to Houston: device veth2 is down
[  874.678443][    C1] tc mirred to Houston: device veth3 is down
[  874.789241][    C3] tc mirred to Houston: device veth2 is down