[  755.227836][    C1] tc mirred to Houston: device veth2 is down
[  755.263217][    C2] tc mirred to Houston: device veth2 is down
[  755.425936][    C1] tc mirred to Houston: device veth2 is down
[  755.473976][    C2] tc mirred to Houston: device veth2 is down
[  755.508959][    C2] tc mirred to Houston: device veth3 is down
[  755.617979][    C2] tc mirred to Houston: device veth3 is down