[ 1301.110732][    C1] tc mirred to Houston: device veth2 is down
[ 1301.153683][    C1] tc mirred to Houston: device veth2 is down
[ 1301.733699][    C1] tc mirred to Houston: device veth2 is down
[ 1301.741810][    C2] tc mirred to Houston: device veth3 is down
[ 1301.762576][    C2] tc mirred to Houston: device veth3 is down
[ 1301.797681][    C2] tc mirred to Houston: device veth2 is down