[ 1436.049091][    C3] tc mirred to Houston: device veth2 is down
[ 1436.371986][    C3] tc mirred to Houston: device veth2 is down
[ 1436.388918][    C3] tc mirred to Houston: device veth2 is down
[ 1436.420005][    C3] tc mirred to Houston: device veth2 is down
[ 1436.938144][    C2] tc mirred to Houston: device veth3 is down
[ 1436.969125][    C2] tc mirred to Houston: device veth3 is down