[ 1504.857265][    C0] tc mirred to Houston: device veth2 is down
[ 1505.217180][    C0] tc mirred to Houston: device veth2 is down
[ 1505.641218][    C0] tc mirred to Houston: device veth2 is down
[ 1505.641760][    C0] tc mirred to Houston: device veth2 is down
[ 1505.775255][    C2] tc mirred to Houston: device veth3 is down
[ 1505.808128][    C2] tc mirred to Houston: device veth3 is down