[ 1335.599851][T18436] tc (18436) used greatest stack depth: 23336 bytes left
[ 1335.687901][    C1] tc mirred to Houston: device veth2 is down
[ 1336.476814][    C1] tc mirred to Houston: device veth3 is down
[ 1336.635627][    C0] tc mirred to Houston: device veth2 is down
[ 1336.636427][    C0] tc mirred to Houston: device veth2 is down
[ 1336.699563][    C1] tc mirred to Houston: device veth2 is down
[ 1336.732608][    C0] tc mirred to Houston: device veth3 is down
[ 1336.755599][    C0] tc mirred to Houston: device veth3 is down