[ 2016.751433][    C1] tc mirred to Houston: device veth2 is down
[ 2016.766118][    C1] tc mirred to Houston: device veth2 is down
[ 2017.073106][    C1] tc mirred to Houston: device veth2 is down
[ 2017.569181][    C1] tc mirred to Houston: device veth2 is down
[ 2017.635111][    C2] tc mirred to Houston: device veth3 is down
[ 2017.761116][    C2] tc mirred to Houston: device veth3 is down
[ 2017.866112][    C2] tc mirred to Houston: device veth3 is down
[ 2017.929347][    C2] tc mirred to Houston: device veth3 is down