[ 1336.289814][    C1] tc mirred to Houston: device veth2 is down
[ 1336.344575][    C1] tc mirred to Houston: device veth2 is down
[ 1336.535614][    C3] tc mirred to Houston: device veth2 is down
[ 1336.903518][    C3] tc mirred to Houston: device veth2 is down
[ 1336.927854][    C2] tc mirred to Houston: device veth3 is down
[ 1337.070518][    C3] tc mirred to Houston: device veth3 is down