[ 1587.509238][    C1] tc mirred to Houston: device veth2 is down
[ 1587.536383][    C1] tc mirred to Houston: device veth2 is down
[ 1587.629619][    C2] tc mirred to Houston: device veth2 is down
[ 1588.278383][    C2] tc mirred to Houston: device veth2 is down
[ 1588.428419][    C2] tc mirred to Houston: device veth3 is down
[ 1588.653426][    C2] tc mirred to Houston: device veth3 is down