[ 1422.026909][    C1] tc mirred to Houston: device veth2 is down
[ 1422.587923][    C1] tc mirred to Houston: device veth2 is down
[ 1422.588099][    C3] tc mirred to Houston: device veth2 is down
[ 1422.780849][    C3] tc mirred to Houston: device veth2 is down
[ 1422.878847][    C1] tc mirred to Houston: device veth3 is down