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As > the base prefix is deprecated already, the generation fails after > marking the temporary address as already having spawned a replacement > (ifp->regen_count++). > > When the router eventually restores the prefix, the temporary address > becomes active again. However, once it naturally expires, the address > worker sees this temporary address already tried to generate one and > skips the regeneration. > > Fix the issue by resetting the regen_count check of the latest temp > address generated for the prefix updated by the incoming RA. > > Reported-by: Łukasz Stelmach > Closes: https://lore.kernel.org/netdev/87340td30q.fsf%25steelman@post.pl/ > Suggested-by: Ido Schimmel > Signed-off-by: Fernando Fernandez Mancera Reviewed-by: Ido Schimmel