[ 1539.449548][    C1] tc mirred to Houston: device veth2 is down
[ 1539.715349][    C2] tc mirred to Houston: device veth2 is down
[ 1540.123351][    C3] tc mirred to Houston: device veth2 is down
[ 1540.251245][    C3] tc mirred to Houston: device veth2 is down
[ 1540.355414][    C1] tc mirred to Houston: device veth3 is down
[ 1540.483371][    C2] tc mirred to Houston: device veth3 is down