Getting error -97 (Address family not supported by protocol), when tried to create IP6GRE tunnel

Solution Verified - Updated -

Issue

Customer's userspace NFV product receives errno 97 (EAFNOSUPPORT 97 Address family not supported by protocol) in response to Netlink messages when managing IPv6 GRE tunnels.

Environment

  • rhel-7 kernels before kernel-3.10.0-1090.el7
  • upstream openvswith user space library from

https://github.com/openvswitch/ovs.git

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