RM9725

Modifies the redis schema slightly, always converting networks in the
payload into v6 mapped addresses. Additionally, adds some robustness
checking for cases where an incorrect ethertype is passed for the
specified remote_ip_prefix.
Merge pull request #238 from Cerberus98/rm9725_work

RM9725
Fixed create_port with fixed_ips for public network

RM9593