[ 1574.674934][    C2] tc mirred to Houston: device veth2 is down
[ 1574.751795][    C3] tc mirred to Houston: device veth2 is down
[ 1575.007916][    C2] tc mirred to Houston: device veth2 is down
[ 1575.111813][    C1] tc mirred to Houston: device veth2 is down
[ 1575.613880][    C2] tc mirred to Houston: device veth3 is down
[ 1575.646902][    C2] tc mirred to Houston: device veth3 is down