[ 2171.400228][    C2] tc mirred to Houston: device veth2 is down
[ 2171.748744][    C2] tc mirred to Houston: device veth2 is down
[ 2171.907135][    C2] tc mirred to Houston: device veth2 is down
[ 2172.247076][    C2] tc mirred to Houston: device veth3 is down
[ 2172.291054][    C2] tc mirred to Houston: device veth2 is down
[ 2172.467160][    C2] tc mirred to Houston: device veth3 is down
[ 2172.619165][    C2] tc mirred to Houston: device veth3 is down
[ 2172.659095][    C1] tc mirred to Houston: device veth3 is down