[ 1339.531768][    C1] tc mirred to Houston: device veth2 is down
[ 1340.205547][    C1] tc mirred to Houston: device veth3 is down
[ 1340.297534][    C1] tc mirred to Houston: device veth2 is down
[ 1340.297984][    C3] tc mirred to Houston: device veth2 is down
[ 1340.457681][    C1] tc mirred to Houston: device veth3 is down
[ 1340.474843][    C3] tc mirred to Houston: device veth3 is down