[ 1340.370766][    C2] tc mirred to Houston: device veth2 is down
[ 1340.996518][    C1] tc mirred to Houston: device veth3 is down
[ 1341.059513][    C1] tc mirred to Houston: device veth2 is down
[ 1341.188578][    C2] tc mirred to Houston: device veth2 is down