Technoboy- commented on issue #14820:
URL: https://github.com/apache/pulsar/issues/14820#issuecomment-1341918808

   > PS: due to filtering virtual nics out, in k8s pods, all nics are now 
filtered out (since all of them are virtual, at least on our hardware) and thus 
network doesn't contribute at all to the broker host load. I have personally 
confirmed that the `eth0` nic paths still continues to show the correct rx and 
tx values for the broker though even though its under `/virtual/`
   > 
   > ```
   > cat /sys/class/net/eth0/statistics/tx_bytes
   > 1027980743970
   > ```
   > 
   > (the counter updates with correct rate as monitored in `dstat`)
   > 
   > ```
   > pulsar@pulsar-broker-6:~$ ls -larth /sys/class/net/
   > total 0
   > drwxr-xr-x 29 root root 0 Oct 31 18:08 ..
   > drwxr-xr-x  2 root root 0 Oct 31 18:08 .
   > lrwxrwxrwx  1 root root 0 Oct 31 18:08 lo -> ../../devices/virtual/net/lo
   > lrwxrwxrwx  1 root root 0 Oct 31 18:08 eth0 -> 
../../devices/virtual/net/eth0
   > ```
   
   Thanks for reporting this. we're working on the fix.


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