This patch adds '--allowed-addres-pair' and '--no-allowed-address-pair'
options to 'port create', 'port set' and 'port unset' commands.
Partial-Bug: #1612136
Closes-Bug: #1638265
Partially-Implements: blueprint network-commands-options
Co-Authored-By: Ha Van Tu <tuhv@vn.fujitsu.com>
Change-Id: I08d2269950467a8972a0d0110ed61f5cc7f5ca45