[ 1399.877367][    C2] tc mirred to Houston: device veth2 is down
[ 1400.179483][    C2] tc mirred to Houston: device veth2 is down
[ 1400.266334][    C3] tc mirred to Houston: device veth2 is down
[ 1400.642388][    C3] tc mirred to Houston: device veth2 is down
[ 1400.675282][    C1] tc mirred to Houston: device veth3 is down