[ 1542.113304][ T7947] tc (7947) used greatest stack depth: 23040 bytes left
[ 1542.277512][    C2] net_ratelimit: 2 callbacks suppressed
[ 1542.277521][    C2] tc mirred to Houston: device veth2 is down
[ 1542.765728][    C2] tc mirred to Houston: device veth2 is down
[ 1542.854328][    C1] tc mirred to Houston: device veth2 is down
[ 1543.109295][    C2] tc mirred to Houston: device veth2 is down
[ 1543.270388][    C3] tc mirred to Houston: device veth3 is down