/etc/libvirt/lxc.conf is in libvirt-bin 0.9.8-2ubuntu17.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 | # Master configuration file for the LXC driver.
# All settings described here are optional - if omitted, sensible
# defaults are used.
# By default, log messages generated by the lxc controller go to the
# container logfile. It is also possible to accumulate log messages
# from all lxc controllers along with libvirtd's log outputs. In this
# case, the lxc controller will honor either LIBVIRT_LOG_OUTPUTS or
# log_outputs from libvirtd.conf.
#
# This is disabled by default, uncomment below to enable it.
#
# log_with_libvirtd = 1
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