[ 1446.128468][ T7850] tc (7850) used greatest stack depth: 23456 bytes left
[ 1446.248414][    C2] tc mirred to Houston: device veth2 is down
[ 1446.582338][    C2] tc mirred to Houston: device veth2 is down
[ 1447.033385][    C3] tc mirred to Houston: device veth3 is down
[ 1447.134402][    C3] tc mirred to Houston: device veth3 is down
[ 1447.222514][    C3] tc mirred to Houston: device veth2 is down
[ 1447.223006][    C3] tc mirred to Houston: device veth2 is down
[ 1447.247339][    C3] tc mirred to Houston: device veth3 is down
[ 1447.398375][    C3] tc mirred to Houston: device veth3 is down