[ 1494.123618][    C1] tc mirred to Houston: device veth2 is down
[ 1494.399627][    C2] tc mirred to Houston: device veth2 is down
[ 1494.903680][    C2] tc mirred to Houston: device veth2 is down
[ 1495.063491][    C2] tc mirred to Houston: device veth3 is down
[ 1495.159503][    C1] tc mirred to Houston: device veth2 is down