Thanks for the tip, but this was not the case. On 15.04.15 21:24, Michael Rasmussen wrote:
On Wed, 15 Apr 2015 21:01:35 +0300 Sten Aus <[email protected]> wrote:What does tcpdump disclose running on host and in VM? On host tcpdump -i vmbr10Coworker did a lot of tcpdumps during the day and it appears the VM tap device is not getting ARPs back. I mean this tap device what qemu brings up/makes.A long shot. Try to disable hardware checksum offload since it is know to cause problems in virtualized environments. You can try with ethtool before making permanent changes: ethtool -K eth5 tx off If that works you could add it permanently to udev: Create this file: /etc/udev/rules.d/81-bridge.rules With the following content: ACTION=="add", SUBSYSTEM=="net", NAME=="vmbr*", RUN+="/sbin/ethtool -K $env{INTERFACE} tx off"
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