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[Alan Pevec <1477253@xxxxxxxxxxxxxxxxxx>]

** Also affects: neutron/juno
   Importance: Undecided
       Status: New

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https://bugs.launchpad.net/bugs/1477253

Title:
  ovs arp_responder unsuccessfully inserts IPv6 address into arp table

Status in neutron:
  Fix Released
Status in neutron juno series:
  New
Status in neutron kilo series:
  Fix Released

Bug description:
  The ml2 openvswitch arp_responder agent attempts to install IPv6
  addresses into the OVS arp response tables. The action obviously
  fails, reporting:

  ovs-ofctl: -:4: 2001:db8::x:x:x:x invalid IP address

  The end result is that the OVS br-tun arp tables are incomplete.

  The submitted patch verifies that the address is IPv4 before
  attempting to add the address to the table.

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