[  923.172261][    C1] tc mirred to Houston: device veth2 is down
[  923.220123][    C1] tc mirred to Houston: device veth2 is down
[  923.348080][    C2] tc mirred to Houston: device veth3 is down
[  923.353176][    C1] tc mirred to Houston: device veth3 is down