[ 1537.288045][    C1] tc mirred to Houston: device veth2 is down
[ 1537.466206][    C1] tc mirred to Houston: device veth2 is down
[ 1537.778020][    C1] tc mirred to Houston: device veth2 is down
[ 1538.018070][    C1] tc mirred to Houston: device veth2 is down
[ 1538.199010][    C3] tc mirred to Houston: device veth3 is down
[ 1538.331062][    C3] tc mirred to Houston: device veth3 is down
[ 1538.347131][    C3] tc mirred to Houston: device veth3 is down