[ 1499.392578][    C3] tc mirred to Houston: device veth2 is down
[ 1499.443824][    C3] tc mirred to Houston: device veth2 is down
[ 1500.142295][    C1] tc mirred to Houston: device veth2 is down
[ 1500.205847][    C3] tc mirred to Houston: device veth2 is down
[ 1500.297829][    C2] tc mirred to Houston: device veth3 is down
[ 1500.749812][    C2] tc mirred to Houston: device veth3 is down