Why I encountered like this after I update bash-completion to 1.99-2bash: _compopt_o_filenames: command not found
on 04/03/2012 – Made popular on 04/03/2012
I've always had the same problem as the OP, just never got round to posting about it. A solution would make my systemctl aliases much more useful.@Trilby, you need the bash-completion package installed.