[Bug 1153364] Re: trouble with guest network connectivity when host is using a bonded interface

[Serge Hallyn]

Thanks for reporting this bug.  (Sorry about the delay - I've sat and
thought about this a few times but haven't yet had any definite thoughts
about what would debug this).

Do you have the vhost_net module installed?

I'm pretty sure the bug is in qemu itself, but just to be sure would you
mind testing with a lxc container to see if it has the same problem?
Just

	sudo apt-get -y install lxc
	cat > lxc.conf.custom << EOF
lxc.network.type=veth
lxc.network.link=br0
lxc.network.flags=up
EOF
	sudo lxc-create -t ubuntu -n r1 -f lxc.conf.custom
	sudo lxc-start -n r1

then log in as user ubuntu password ubuntu, and see if networking stays
up.

This seems very reminiscent of bug 997978.

** Also affects: linux (Ubuntu)
   Importance: Undecided
       Status: New

** Changed in: linux (Ubuntu)
   Importance: Undecided => High

** Changed in: qemu-kvm (Ubuntu)
   Importance: Undecided => High

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https://bugs.launchpad.net/bugs/1153364

Title:
  trouble with guest network connectivity when host is using a bonded
  interface

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