[ 1771.484385][    C1] tc mirred to Houston: device veth2 is down
[ 1771.488258][    C2] tc mirred to Houston: device veth2 is down
[ 1771.531356][    C2] tc mirred to Houston: device veth2 is down
[ 1772.268844][    C2] tc mirred to Houston: device veth2 is down
[ 1772.352297][    C2] tc mirred to Houston: device veth3 is down
[ 1772.461557][    C2] tc mirred to Houston: device veth2 is down
[ 1772.645300][    C2] tc mirred to Houston: device veth3 is down
[ 1772.678282][    C2] tc mirred to Houston: device veth3 is down