[ 1623.429185][T16707] tc (16707) used greatest stack depth: 23624 bytes left
[ 1623.534398][    C0] tc mirred to Houston: device veth2 is down
[ 1623.818364][    C1] tc mirred to Houston: device veth2 is down
[ 1624.366394][    C0] tc mirred to Houston: device veth3 is down
[ 1624.514569][    C0] tc mirred to Houston: device veth2 is down
[ 1624.578489][    C0] tc mirred to Houston: device veth2 is down
[ 1624.714452][    C0] tc mirred to Houston: device veth3 is down