'Includes IPv6 addresses in aliases'

def get_ipv6_addresses(self):

    ips = []
    if self.int_ipv6address:
        ips.append(('%s/%s' % (str(self.int_ipv6address), str(self.int_v6netmaskbit))))
    for alias in self.alias_set.exclude(alias_v6address=''):
        ips.append(('%s/%s' % (str(alias.alias_v6address), str(alias.alias_v6netmaskbit))))
    return ips
