[ 1350.995648][    C3] tc mirred to Houston: device veth2 is down
[ 1351.159603][    C2] tc mirred to Houston: device veth2 is down
[ 1351.247550][    C3] tc mirred to Houston: device veth2 is down
[ 1351.294632][    C2] tc mirred to Houston: device veth2 is down
[ 1351.600606][    C3] tc mirred to Houston: device veth3 is down
[ 1351.603550][    C1] tc mirred to Houston: device veth3 is down
[ 1351.661673][    C1] tc mirred to Houston: device veth3 is down