[  854.260610][T12005] tc (12005) used greatest stack depth: 23584 bytes left
[  854.351856][    C2] tc mirred to Houston: device veth2 is down
[  854.616615][    C3] tc mirred to Houston: device veth2 is down
[  854.879670][    C3] tc mirred to Houston: device veth2 is down
[  855.062072][    C1] tc mirred to Houston: device veth3 is down
[  855.072161][    C2] tc mirred to Houston: device veth2 is down