[ 1486.479535][    C1] tc mirred to Houston: device veth2 is down
[ 1486.600698][    C1] tc mirred to Houston: device veth2 is down
[ 1486.696454][    C1] tc mirred to Houston: device veth2 is down
[ 1487.384379][    C2] tc mirred to Houston: device veth3 is down
[ 1487.392478][    C2] tc mirred to Houston: device veth2 is down