[ 1536.518334][    C3] tc mirred to Houston: device veth2 is down
[ 1536.846073][    C3] tc mirred to Houston: device veth2 is down
[ 1536.925987][    C2] tc mirred to Houston: device veth2 is down
[ 1537.335245][    C1] tc mirred to Houston: device veth2 is down
[ 1537.428046][    C1] tc mirred to Houston: device veth3 is down