[ 1334.554377][ T9789] tc (9789) used greatest stack depth: 23760 bytes left
[ 1334.625118][    C0] tc mirred to Houston: device veth2 is down
[ 1335.176058][    C0] tc mirred to Houston: device veth2 is down
[ 1335.227045][    C0] tc mirred to Houston: device veth3 is down
[ 1335.376088][    C0] tc mirred to Houston: device veth3 is down
[ 1335.432178][    C0] tc mirred to Houston: device veth2 is down
[ 1335.504627][    C1] tc mirred to Houston: device veth3 is down