[ 1437.419828][    C1] tc mirred to Houston: device veth2 is down
[ 1437.739051][    C2] tc mirred to Houston: device veth2 is down
[ 1438.154975][    C1] tc mirred to Houston: device veth2 is down
[ 1438.234970][    C2] tc mirred to Houston: device veth3 is down
[ 1438.267899][    C2] tc mirred to Houston: device veth3 is down
[ 1438.346940][    C2] tc mirred to Houston: device veth2 is down
[ 1438.666958][    C2] tc mirred to Houston: device veth3 is down