
This patch adds support to retrieve IPv6 address. A new field ``ipv6_address`` is added to NetworkInterface and store the assigned IPv6 address (if any). Co-Authored-By: Kaifeng Wang <kaifeng.w@gmail.com> Change-Id: Ia527a5aa48e3daf66d2be190e43935b38b3bd6f9 Closes-Bug: #1744064 Story: #1744064 Task: #11604