doc: cookbook: Fix qemu network bridge example.

* doc/guix-cookbook.texi (Virtual Machines) [Network bridge for QEMU]:
Enable 'autoconnect' for the 'bridge-slave-enp2s0' connection.
Fix 'bridge.conf' example.  Add missing 'helper' argument to the qemu invocation.

Change-Id: I94fdb69b65cb032cfc9f21ae1dfab950937f1a70

1 files changed, 4 insertions, 4 deletions

diff --git a/doc/guix-cookbook.texi b/doc/guix-cookbook.texi
index ffadd32c3de..4b4a5a0f2a7 100644
--- a/doc/guix-cookbook.texi
+++ b/doc/guix-cookbook.texi
@@ -4491,7 +4491,7 @@ network.  Assuming your interface is named @samp{enp2s0}, the following
 command can be used to do so:
 
 @example sh
-# nmcli con add type bridge-slave ifname enp2s0 master br0
+# nmcli con add type bridge-slave autoconnect yes ifname enp2s0 master br0
 @end example
 
 @quotation Important
@@ -4527,8 +4527,8 @@ bridge interface, as the default is to deny all.  Add the following to
 your list of services to do so:
 
 @example lisp
-(extra-special-file "/etc/qemu/host.conf"
-                    (plain-file "host.conf" "allow br0\n"))
+(extra-special-file "/etc/qemu/bridge.conf"
+                    (plain-file "bridge.conf" "allow br0\n"))
 @end example
 
 @subsection Invoking QEMU with the right command line options
@@ -4546,7 +4546,7 @@ machine making use of the bridge would cause networking issues.
 @example sh
 $ qemu-system-x86_64 [...] \
     -device virtio-net-pci,netdev=user0,mac=XX:XX:XX:XX:XX:XX \
-    -netdev bridge,id=user0,br=br0 \
+    -netdev bridge,helper=/run/privileged/bin/qemu-bridge-helper,id=user0,br=br0 \
     [...]
 @end example