WIP: Add NAT support through the use of /advertise(Addr|Port)/#50

Draft

stevefan1999-personal wants to merge 2 commits intocostela:mainfrom stevefan1999-personal:patch-advertise-addr

+10-3

Commits on Jul 27, 2020

add initial advertise(Addr|Port) support
stevefan1999-personal
committed
reset advertise addr if bad addr, same as memberlist behavior
stevefan1999-personal
committed