KVM: Guest VMs in the same hypervisor cannot communicate using IPv6 and macvtap in bridge mode

Solution Verified - Updated -

Issue

  • Cannot connect to any other IPv6 VM running on the same physical host and on the same macvtap virtual port.
  • Link-Local (fe80::/10) pings work, but global unicast do not.

Environment

  • Red Hat Enterprise Linux 7.2
    • Any Guest Operating System
    • Networking of Virtual Machines is macvtap based.

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