This behavior comes from the sFlow version 5 spec at
https://sflow.org/sflow_version_5.txt :
The following values should be used for fields that are
unknown (unless otherwise indicated in the structure
definitions).
- Unknown integer value. Use a value of 0 to indicate that
Hi. Nearly, I found the values both of IfOutDiscards and IfInDiscards are
2^31-1 in our environment. The SFlow returned a record is filled its all bits
with 1. I checked the relevant code, the implementation of SFlow in OVS ignored
the error from netdev_get_stats (see
https://github.com/open
