[ 1402.349370][    C1] tc mirred to Houston: device veth2 is down
[ 1402.731997][    C1] tc mirred to Houston: device veth2 is down
[ 1402.924052][    C1] tc mirred to Houston: device veth2 is down
[ 1403.162071][    C2] tc mirred to Houston: device veth3 is down
[ 1403.308034][    C2] tc mirred to Houston: device veth2 is down
[ 1403.397017][    C2] tc mirred to Houston: device veth3 is down