Hi,
I was asked about this change in lxc configuration when I did an apt
update on sid.
--- /etc/lxc/default.conf 2020-02-03 18:58:42.920817709 +0530
+++ /etc/lxc/default.conf.dpkg-new 2020-05-25 21:41:32.000000000 +0530
@@ -1,5 +1,6 @@
-lxc.apparmor.profile = generated
-lxc.apparmor.allow_nesting = 1
lxc.net.0.type = veth
-lxc.net.0.link = virbr0
+lxc.net.0.link = lxcbr0
lxc.net.0.flags = up
+
+lxc.apparmor.profile = generated
+lxc.apparmor.allow_nesting = 1
I think lxc now does networking by default, we may have to adjust
meta/setup accordingly. I have not tested what happens yet, but we will
need to change meta/setup for this I think.