[ 1511.607375][    C1] tc mirred to Houston: device veth2 is down
[ 1511.818350][    C1] tc mirred to Houston: device veth2 is down
[ 1512.129345][    C1] tc mirred to Houston: device veth2 is down
[ 1512.461322][    C1] tc mirred to Houston: device veth3 is down
[ 1512.475262][    C1] tc mirred to Houston: device veth3 is down
[ 1512.577330][    C1] tc mirred to Houston: device veth2 is down
[ 1512.617336][    C1] tc mirred to Houston: device veth3 is down
[ 1512.730322][    C1] tc mirred to Houston: device veth3 is down
[ 1512.846837][    C2] tc mirred to Houston: device veth2 is down
[ 1512.847937][    C2] tc mirred to Houston: device veth2 is down