[ 1548.774808][    C1] tc mirred to Houston: device veth2 is down
[ 1549.167837][    C3] tc mirred to Houston: device veth2 is down
[ 1549.400097][    C3] tc mirred to Houston: device veth2 is down
[ 1549.695868][    C2] tc mirred to Houston: device veth3 is down
[ 1549.783811][    C2] tc mirred to Houston: device veth2 is down
[ 1549.799807][    C2] tc mirred to Houston: device veth3 is down