Then perhaps the bug is in the manpage, http://manpages.ubuntu.com/manpages/precise/en/man1/lxc-ls.1.html which doesn't say anything about listing existing containers on one line, and active containers on a second line.
Then perhaps the bug is in the manpage, http:// manpages. ubuntu. com/manpages/ precise/ en/man1/ lxc-ls. 1.html
which doesn't say anything about listing existing containers on one line, and active containers on a second line.