[  989.803285][    C1] tc mirred to Houston: device veth2 is down
[  989.949329][    C1] tc mirred to Houston: device veth3 is down
[  989.994281][    C1] tc mirred to Houston: device veth2 is down
[  990.000261][    C2] tc mirred to Houston: device veth3 is down