[ 2020.794324][    C3] tc mirred to Houston: device veth2 is down
[ 2020.901297][    C3] tc mirred to Houston: device veth2 is down
[ 2021.293476][    C3] tc mirred to Houston: device veth2 is down
[ 2021.691245][    C2] tc mirred to Houston: device veth3 is down
[ 2021.821285][    C2] tc mirred to Houston: device veth2 is down