[ 1640.246425][    C1] tc mirred to Houston: device veth2 is down
[ 1640.873883][    C1] tc mirred to Houston: device veth2 is down
[ 1641.065921][    C1] tc mirred to Houston: device veth2 is down
[ 1641.087891][    C1] tc mirred to Houston: device veth3 is down
[ 1641.258783][    C3] tc mirred to Houston: device veth2 is down
[ 1641.457860][    C3] tc mirred to Houston: device veth3 is down