[ 1448.123381][    C1] tc mirred to Houston: device veth2 is down
[ 1448.756609][    C2] tc mirred to Houston: device veth2 is down
[ 1448.931238][    C2] tc mirred to Houston: device veth3 is down
[ 1449.075390][    C2] tc mirred to Houston: device veth2 is down
[ 1449.091279][    C2] tc mirred to Houston: device veth3 is down
[ 1449.115289][    C2] tc mirred to Houston: device veth3 is down
[ 1449.139250][    C1] tc mirred to Houston: device veth2 is down