[ 1583.027982][ T7809] tc (7809) used greatest stack depth: 23272 bytes left
[ 1583.172781][    C1] tc mirred to Houston: device veth2 is down
[ 1583.587445][    C1] tc mirred to Houston: device veth2 is down
[ 1583.765856][    C1] tc mirred to Houston: device veth2 is down
[ 1583.832078][    C3] tc mirred to Houston: device veth2 is down
[ 1584.070050][    C2] tc mirred to Houston: device veth3 is down
[ 1584.182780][    C2] tc mirred to Houston: device veth3 is down