[ 1467.135912][    C1] tc mirred to Houston: device veth2 is down
[ 1467.237713][    C2] tc mirred to Houston: device veth2 is down
[ 1467.278583][    C1] tc mirred to Houston: device veth2 is down
[ 1467.485706][    C2] tc mirred to Houston: device veth2 is down
[ 1467.990655][    C2] tc mirred to Houston: device veth3 is down
[ 1468.358827][    C2] tc mirred to Houston: device veth3 is down