[ 1031.174195][    C2] tc mirred to Houston: device veth2 is down
[ 1031.310129][    C3] tc mirred to Houston: device veth3 is down
[ 1031.316125][    C2] tc mirred to Houston: device veth3 is down
[ 1031.357099][    C2] tc mirred to Houston: device veth2 is down