[ 1521.576909][    C1] tc mirred to Houston: device veth2 is down
[ 1521.626734][    C1] tc mirred to Houston: device veth2 is down
[ 1521.853678][    C1] tc mirred to Houston: device veth2 is down
[ 1522.173649][    C1] tc mirred to Houston: device veth2 is down
[ 1522.479642][    C1] tc mirred to Houston: device veth3 is down
[ 1522.804635][    C2] tc mirred to Houston: device veth3 is down