[ 1344.555877][    C2] tc mirred to Houston: device veth2 is down
[ 1344.615850][    C2] tc mirred to Houston: device veth2 is down
[ 1344.626839][    C2] tc mirred to Houston: device veth2 is down
[ 1344.649835][    C2] tc mirred to Houston: device veth2 is down
[ 1345.218847][    C3] tc mirred to Houston: device veth3 is down
[ 1345.229832][    C2] tc mirred to Houston: device veth3 is down
[ 1345.236757][    C2] tc mirred to Houston: device veth3 is down
[ 1345.377765][    C1] tc mirred to Houston: device veth3 is down
[ 1345.490697][    C3] tc mirred to Houston: device veth3 is down