[ 1463.579854][    C1] tc mirred to Houston: device veth2 is down
[ 1463.846904][    C3] tc mirred to Houston: device veth2 is down
[ 1464.413920][    C1] tc mirred to Houston: device veth2 is down
[ 1464.484848][    C2] tc mirred to Houston: device veth3 is down
[ 1464.541839][    C2] tc mirred to Houston: device veth2 is down
[ 1464.845812][    C2] tc mirred to Houston: device veth3 is down
[ 1464.862049][    C2] tc mirred to Houston: device veth2 is down
[ 1464.862609][    C2] tc mirred to Houston: device veth2 is down