[ 1507.406340][    C1] tc mirred to Houston: device veth2 is down
[ 1507.654372][    C1] tc mirred to Houston: device veth2 is down
[ 1507.973335][    C2] tc mirred to Houston: device veth2 is down
[ 1508.207261][    C2] tc mirred to Houston: device veth3 is down
[ 1508.223300][    C2] tc mirred to Houston: device veth3 is down
[ 1508.357363][    C2] tc mirred to Houston: device veth2 is down