[ 1638.209287][    C1] tc mirred to Houston: device veth2 is down
[ 1638.214347][    C3] tc mirred to Houston: device veth2 is down
[ 1638.239342][    C3] tc mirred to Houston: device veth2 is down
[ 1638.617415][    C3] tc mirred to Houston: device veth2 is down
[ 1638.761412][    C3] tc mirred to Houston: device veth2 is down
[ 1639.082482][    C2] tc mirred to Houston: device veth3 is down
[ 1639.136479][    C2] tc mirred to Houston: device veth3 is down
[ 1639.465489][    C2] tc mirred to Houston: device veth3 is down