[ 1500.372157][    C1] tc mirred to Houston: device veth2 is down
[ 1500.639359][    C1] tc mirred to Houston: device veth2 is down
[ 1500.672108][    C1] tc mirred to Houston: device veth2 is down
[ 1501.143336][    C3] tc mirred to Houston: device veth2 is down
[ 1501.217247][    C3] tc mirred to Houston: device veth3 is down