[ 1856.241541][    C1] tc mirred to Houston: device veth2 is down
[ 1856.726719][    C1] tc mirred to Houston: device veth2 is down
[ 1856.871955][    C1] tc mirred to Houston: device veth2 is down
[ 1856.873791][    C1] tc mirred to Houston: device veth2 is down
[ 1857.106502][    C3] tc mirred to Houston: device veth3 is down
[ 1857.502462][    C3] tc mirred to Houston: device veth3 is down