[ 1518.657232][    C2] tc mirred to Houston: device veth2 is down
[ 1519.321204][    C2] tc mirred to Houston: device veth2 is down
[ 1519.322481][    C1] tc mirred to Houston: device veth2 is down
[ 1519.554305][    C1] tc mirred to Houston: device veth3 is down
[ 1519.641235][    C1] tc mirred to Houston: device veth2 is down