[ 1607.058937][    C2] tc mirred to Houston: device veth2 is down
[ 1607.340604][    C2] tc mirred to Houston: device veth2 is down
[ 1607.468583][    C3] tc mirred to Houston: device veth2 is down
[ 1608.054772][    C3] tc mirred to Houston: device veth3 is down
[ 1608.059368][    C2] tc mirred to Houston: device veth3 is down
[ 1608.061459][    C2] tc mirred to Houston: device veth2 is down