[ 1351.864235][    C3] tc mirred to Houston: device veth2 is down
[ 1352.102366][    C3] tc mirred to Houston: device veth2 is down
[ 1352.358318][    C2] tc mirred to Houston: device veth2 is down
[ 1352.678212][    C1] tc mirred to Houston: device veth2 is down
[ 1352.746172][    C1] tc mirred to Houston: device veth3 is down
[ 1352.810201][    C1] tc mirred to Houston: device veth3 is down
[ 1352.918226][    C1] tc mirred to Houston: device veth3 is down