[ 1351.273701][    C1] tc mirred to Houston: device veth2 is down
[ 1351.900419][    C2] tc mirred to Houston: device veth3 is down
[ 1351.900849][    C1] tc mirred to Houston: device veth2 is down
[ 1352.156463][    C1] tc mirred to Houston: device veth2 is down