[  846.078316][T21765] tc (21765) used greatest stack depth: 23816 bytes left
[  846.102207][    C3] tc mirred to Houston: device veth2 is down
[  846.140209][    C3] tc mirred to Houston: device veth2 is down
[  846.280791][    C3] tc mirred to Houston: device veth3 is down
[  846.347463][    C3] tc mirred to Houston: device veth3 is down