[ 1550.793171][    C1] tc mirred to Houston: device veth2 is down
[ 1551.160098][    C1] tc mirred to Houston: device veth2 is down
[ 1551.256384][    C1] tc mirred to Houston: device veth2 is down
[ 1551.627852][    C3] tc mirred to Houston: device veth3 is down
[ 1551.657374][    C3] tc mirred to Houston: device veth3 is down
[ 1551.696120][    C3] tc mirred to Houston: device veth3 is down
[ 1551.778089][    C3] tc mirred to Houston: device veth2 is down
[ 1551.848128][    C1] tc mirred to Houston: device veth3 is down