documentclass{book}

usepackage{libertine,fontspec}

begin{document}
    ads
end{document}

OpenType feature 'Numbers=Uppercase' (lnum) not(fontspec) available for font 'LinBiolinum_RB' with script(fontspec) 'CustomDefault' and language 'Default'.
OpenType feature 'Numbers=Uppercase' (lnum) not(fontspec) available for font 'LinBiolinum_RB' with script(fontspec) 'CustomDefault' and language 'Default'.
OpenType feature 'Numbers= Monospaced, Lining'(fontspec) (tnum) not available for font 'LinLibertine_RZI'(fontspec) with script 'CustomDefault' and language 'Default'.
OpenType feature 'Numbers= Monospaced, Lining'(fontspec) (tnum) not available for font 'LinLibertine_RZI'(fontspec) with script 'CustomDefault' and language 'Default'.
OpenType feature 'Numbers=Uppercase' (lnum) not(fontspec) available for font 'LinBiolinum_RB' with script(fontspec) 'CustomDefault' and language 'Default'.
OpenType feature 'Numbers=Uppercase' (lnum) not(fontspec) available for font 'LinBiolinum_RB' with script(fontspec) 'CustomDefault' and language 'Default'.
OpenType feature 'Numbers=Uppercase' (lnum) not(fontspec) available for font 'LinBiolinum_RB' with script(fontspec) 'CustomDefault' and language 'Default'.
OpenType feature 'Numbers=Uppercase' (lnum) not(fontspec) available for font 'LinBiolinum_RB' with script(fontspec) 'CustomDefault' and language 'Default'.
OpenType feature 'Numbers=Uppercase' (lnum) not(fontspec) available for font 'LinBiolinum_RB' with script(fontspec) 'CustomDefault' and language 'Default'.
OpenType feature 'Numbers=Uppercase' (lnum) not(fontspec) available for font 'LinBiolinum_RB' with script(fontspec) 'CustomDefault' and language 'Default'.