ipv6: add documentation for stable_secret, idgen_delay and idgen_retries knobs
ipv6: add documentation for stable_secret, idgen_delay and idgen_retries knobs

Cc: Erik Kline <cbed88164a314c0a7942650afc8c70730ee0039f@google.com>
Cc: Fernando Gont <be839ef25d8531e33897896a543ea02b27c64287@si6networks.com>
Cc: Lorenzo Colitti <86995a091f8a1385082bd10715048b52ee386a6a@google.com>
Cc: YOSHIFUJI Hideaki/吉藤英明 <843235c427d233c8a3c962f92f91acf3da14a1ed@miraclelinux.com>
Signed-off-by: Hannes Frederic Sowa <331be22c6b63ca3e0a03d408c2d906b1b02cd5f2@stressinduktion.org>
Signed-off-by: David S. Miller <fe08d3c717adf2ae63592e4c9aec6e3e404d8e3e@davemloft.net>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs