I can reproduce this just using lxc, which simply attaches an endpoint
of a veth tunnel to the bridge. With balance-rr mode, i can't dhcp in
the guest. With balance-alb, I can.
That means this is not actually qemu-kvm, but a bug in the kernel or
(unlikely) ifenslave.
** Changed in: linux (Ubuntu)
Status: New => Confirmed
** Changed in: qemu-kvm (Ubuntu)
Status: Confirmed => Invalid
** Changed in: linux (Ubuntu)
Importance: Undecided => Medium
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https://bugs.launchpad.net/bugs/785668
Title:
bonding inside a bridge does not update ARP correctly when bridged net
accessed from within a VM
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