[ 1368.205509][    C1] tc mirred to Houston: device veth2 is down
[ 1368.421417][    C1] tc mirred to Houston: device veth2 is down
[ 1368.837425][    C3] tc mirred to Houston: device veth3 is down
[ 1368.893532][    C3] tc mirred to Houston: device veth2 is down
[ 1368.989386][    C3] tc mirred to Houston: device veth3 is down
[ 1369.134435][    C3] tc mirred to Houston: device veth3 is down