'check dfs group info'

def check_dfs_group_info_change(self):

    if (not self.dfs_group_info):
        return True
    if (self.priority_id and (self.dfs_group_info['priority'] == self.priority_id)):
        return True
    if (self.ip_address and (self.dfs_group_info['ipAddress'] == self.ip_address)):
        return True
    if (self.vpn_instance_name and (self.dfs_group_info['srcVpnName'] == self.vpn_instance_name)):
        return True
    if (self.nickname and (self.dfs_group_info['localNickname'] == self.nickname)):
        return True
    if (self.pseudo_nickname and (self.dfs_group_info['pseudoNickname'] == self.pseudo_nickname)):
        return True
    if (self.pseudo_priority and (self.dfs_group_info['pseudoPriority'] == self.pseudo_priority)):
        return True
    return False
