[Bug 1223730] [NEW] mDNS failure with openvswitch 1.10

[NightShade]

Public bug reported:

I have upgraded my Ubuntu 13.04 KVM test machine to the latest version
of QEMU/openvswitch/libvirt and I am having problems with mDNS. I've not
upgraded the kernel on the host machine so I am using current
(3.8.0-30).

Fully internal openvswitch:

VM -> VM mDNS works 
VM -> internal port (ie the host machine) fails 

External openvswitch, ie with an ethernet port plugged in. The NIC
chipset is the Intel 82579V

VM -> VM mDNS works 
VM -> External host mDNS works 
VM -> internal port (ie the host machine) fails
External host -> internal port (ie the host machine) fails 

With openvswitch 1.9 all of these work.

** Affects: openvswitch (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1223730

Title:
  mDNS failure with openvswitch 1.10

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