[NET] Fix rx_fails mismatch
This commit replaces rx_fails with the tx_fails metric,
to match the proper context.
@@ -575,7 +575,7 @@ impl Net {
error!("Failed to read slice: {:?}", e);
match e {
GuestMemoryError::PartialBuffer { .. } => &METRICS.net.tx_partial_reads,
- _ => &METRICS.net.rx_fails,
+ _ => &METRICS.net.tx_fails,
}
.inc();
read_count = 0;
