[ 1683.073263][    C1] tc mirred to Houston: device veth2 is down
[ 1683.787067][    C3] tc mirred to Houston: device veth2 is down
[ 1683.980211][    C1] tc mirred to Houston: device veth2 is down
[ 1684.042992][    C3] tc mirred to Houston: device veth2 is down
[ 1684.162217][    C2] tc mirred to Houston: device veth3 is down
[ 1684.579175][    C2] tc mirred to Houston: device veth3 is down