[ 1211.633290][    C1] tc mirred to Houston: device veth2 is down
[ 1211.932251][    C1] tc mirred to Houston: device veth2 is down
[ 1212.197301][    C1] tc mirred to Houston: device veth2 is down
[ 1212.521601][    C1] tc mirred to Houston: device veth3 is down
[ 1212.581141][    C3] tc mirred to Houston: device veth2 is down
[ 1212.805110][    C3] tc mirred to Houston: device veth3 is down