[libvirt] macvtap - no incoming ipv6 traffic processed on kvm host unless i start tcpdump on interface

Stefan Bauer sb at plzk.de
Thu Apr 9 08:50:40 UTC 2015

On Thu, 2015-04-09 at 10:47 +0200, Michal Privoznik wrote:

> Ah, so that's not the bug then. Have you perhaps changed the vNIC MAC
> inside the guest after it was started? Even though libvirt will nowadays
> adapt to such change, older version of libvirt haven't this implemented
> causing guest connectivity to break.

Nope. I only changed the nic mode from bridged to macvtap bridged mode
but always followed by a shutdown / start of the VM.
Anyway it's only an ipv6 problem - i do not have this problem with ipv4!


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