[ 1099.324740][    C1] tc mirred to Houston: device veth2 is down
[ 1099.799019][    C1] tc mirred to Houston: device veth2 is down
[ 1100.070065][    C3] tc mirred to Houston: device veth2 is down
[ 1100.070977][    C3] tc mirred to Houston: device veth2 is down
[ 1100.222004][    C2] tc mirred to Houston: device veth3 is down
[ 1100.233385][    C3] tc mirred to Houston: device veth3 is down