[  597.478553][    C1] tc mirred to Houston: device veth2 is down
[  597.547342][    C1] tc mirred to Houston: device veth2 is down
[  597.696348][    C2] tc mirred to Houston: device veth3 is down
[  597.702431][    C2] tc mirred to Houston: device veth3 is down