[ 1556.003477][ T4703] Mirror/redirect action on
[ 1556.021162][ T4699] tc (4699) used greatest stack depth: 23216 bytes left
[ 1556.172768][    C2] tc mirred to Houston: device veth2 is down
[ 1556.552530][    C1] tc mirred to Houston: device veth2 is down
[ 1556.792599][    C1] tc mirred to Houston: device veth2 is down
[ 1557.125080][    C1] tc mirred to Houston: device veth3 is down
[ 1557.152680][    C1] tc mirred to Houston: device veth3 is down
[ 1557.177610][    C2] tc mirred to Houston: device veth2 is down
[ 1557.505565][    C1] tc mirred to Houston: device veth3 is down