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Since commit3e6a0243ff("gre: Fix again IPv6 link-local address generation."), addrconf_gre_config() has stopped handling IP6GRE devices specially and just calls the regular addrconf_addr_gen() function to create their link-local IPv6 addresses. We can thus avoid using addrconf_gre_config() for IP6GRE devices and use the normal IPv6 initialisation path instead (that is, jump directly to addrconf_dev_config() in addrconf_init_auto_addrs()). See commit3e6a0243ff("gre: Fix again IPv6 link-local address generation.") for a deeper explanation on how and why GRE devices started handling their IPv6 link-local address generation specially, why it was a problem, and why this is not even necessary in most cases (especially for GRE over IPv6). Signed-off-by: Guillaume Nault <gnault@redhat.com> Reviewed-by: Ido Schimmel <idosch@nvidia.com> Link: https://patch.msgid.link/a9144be9c7ec3cf09f25becae5e8fdf141fde9f6.1750075076.git.gnault@redhat.com Signed-off-by: Paolo Abeni <pabeni@redhat.com>