[ 1635.675147][    C1] tc mirred to Houston: device veth2 is down
[ 1635.679134][    C2] tc mirred to Houston: device veth2 is down
[ 1636.335187][    C2] tc mirred to Houston: device veth2 is down
[ 1636.591190][    C2] tc mirred to Houston: device veth2 is down
[ 1636.619150][    C2] tc mirred to Houston: device veth3 is down
[ 1636.656149][    C2] tc mirred to Houston: device veth2 is down
[ 1636.928145][    C2] tc mirred to Houston: device veth3 is down