[ 1587.638879][    C2] tc mirred to Houston: device veth2 is down
[ 1588.314864][    C2] tc mirred to Houston: device veth2 is down
[ 1588.441903][    C2] tc mirred to Houston: device veth2 is down
[ 1588.442197][    C1] tc mirred to Houston: device veth2 is down
[ 1588.494879][    C3] tc mirred to Houston: device veth3 is down
[ 1588.548833][    C3] tc mirred to Houston: device veth3 is down