[ 1436.507909][    C3] tc mirred to Houston: device veth2 is down
[ 1436.911937][    C3] tc mirred to Houston: device veth2 is down
[ 1436.952870][    C3] tc mirred to Houston: device veth2 is down
[ 1437.376108][    C1] tc mirred to Houston: device veth2 is down
[ 1437.406845][    C1] tc mirred to Houston: device veth3 is down
[ 1437.496927][    C1] tc mirred to Houston: device veth3 is down
[ 1437.768055][    C1] tc mirred to Houston: device veth3 is down