[ 1536.641225][    C2] tc mirred to Houston: device veth2 is down
[ 1536.962471][    C2] tc mirred to Houston: device veth2 is down
[ 1537.363348][    C2] tc mirred to Houston: device veth2 is down
[ 1537.506228][    C1] tc mirred to Houston: device veth3 is down
[ 1537.618377][    C1] tc mirred to Houston: device veth2 is down