[ 1688.685532][    C2] tc mirred to Houston: device veth2 is down
[ 1688.867271][    C3] tc mirred to Houston: device veth2 is down
[ 1689.523379][    C3] tc mirred to Houston: device veth2 is down
[ 1689.524684][    C2] tc mirred to Houston: device veth2 is down
[ 1689.876415][    C1] tc mirred to Houston: device veth3 is down
[ 1689.947505][    C1] tc mirred to Houston: device veth3 is down
[ 1690.051479][    C1] tc mirred to Houston: device veth3 is down