[ 1338.747220][    C1] tc mirred to Houston: device veth2 is down
[ 1338.814326][    C1] tc mirred to Houston: device veth2 is down
[ 1339.158345][    C1] tc mirred to Houston: device veth2 is down
[ 1339.238346][    C1] tc mirred to Houston: device veth2 is down
[ 1339.322156][    C1] tc mirred to Houston: device veth3 is down
[ 1339.454261][    C1] tc mirred to Houston: device veth3 is down
[ 1339.622226][    C2] tc mirred to Houston: device veth3 is down
[ 1339.630273][    C2] tc mirred to Houston: device veth3 is down