[ 1335.310756][    C1] tc mirred to Houston: device veth2 is down
[ 1335.320609][    C1] tc mirred to Houston: device veth2 is down
[ 1335.660670][    C1] tc mirred to Houston: device veth2 is down
[ 1335.921579][    C2] tc mirred to Houston: device veth3 is down
[ 1336.117754][    C2] tc mirred to Houston: device veth3 is down