[ 1049.149312][    C1] tc mirred to Houston: device veth2 is down
[ 1049.346990][    C2] tc mirred to Houston: device veth2 is down
[ 1049.729678][    C1] tc mirred to Houston: device veth2 is down
[ 1049.923846][    C1] tc mirred to Houston: device veth2 is down
[ 1050.028662][    C3] tc mirred to Houston: device veth3 is down
[ 1050.035841][    C3] tc mirred to Houston: device veth3 is down
[ 1050.474687][    C2] tc mirred to Houston: device veth3 is down