Iesg discuss (#259)

* 255 addressing ipv6 option last call

* Addressed #255 addressing ipv6 option last call

* Addressing #255

* Addressing the DISCUSS and nits during IESG review

* Addressing DISCUSS on ipv6 options draft

* Addressing Frank's review from iesg_discuss

* Removing the incremental trace option per 6man and AD recommendation

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Co-authored-by: Shwetha Bhandari <[email protected]>

Author: shwethab