[ 1339.781370][    C1] tc mirred to Houston: device veth2 is down
[ 1340.101260][    C1] tc mirred to Houston: device veth2 is down
[ 1340.124215][    C1] tc mirred to Houston: device veth2 is down
[ 1340.400282][    C3] tc mirred to Houston: device veth3 is down
[ 1340.500347][    C3] tc mirred to Houston: device veth2 is down