[ 1556.393952][    C3] tc mirred to Houston: device veth2 is down
[ 1556.677587][    C3] tc mirred to Houston: device veth2 is down
[ 1556.684494][    C1] tc mirred to Houston: device veth2 is down
[ 1557.140584][    C1] tc mirred to Houston: device veth2 is down
[ 1557.270564][    C2] tc mirred to Houston: device veth3 is down
[ 1557.652621][    C2] tc mirred to Houston: device veth3 is down