[ 1474.482590][    C1] tc mirred to Houston: device veth2 is down
[ 1474.617983][    C1] tc mirred to Houston: device veth2 is down
[ 1475.273556][    C1] tc mirred to Houston: device veth2 is down
[ 1475.335500][    C1] tc mirred to Houston: device veth3 is down
[ 1475.336623][    C3] tc mirred to Houston: device veth2 is down