diff --git a/plugins/lxc/lxc_guests b/plugins/lxc/lxc_guests
index 39aa0220..24720003 100755
--- a/plugins/lxc/lxc_guests
+++ b/plugins/lxc/lxc_guests
@@ -38,13 +38,6 @@ This plugin has been tested with lxc 3 and
 lx2 (on Debian buster and Debian jessie,
 respectively).
 
-For the network graphs to work, you need
-to have in every container's config file
-a line defining the virtual network interface
-path (else lxc will use a random name at
-each container's start); see the lxc_netdev()
-function below.
-
 If using lxc 2, make sure you do not have cruft
 in your container config files, you can test
 it with:
@@ -116,18 +109,6 @@ get_lxc_cgroup_info() {
 }
 
 
-lxc_netdev() {
-   local guest_name="$1"
-
-   if [ -f "$lxcpath/$guest_name/config" ]; then
-      # lxc 3 vs < 3
-      (grep -E '^lxc.net.0.veth.pair' "$lxcpath/$guest_name/config" 2>/dev/null \
-         || grep -E '^lxc.network.veth.pair' "$lxcpath/$guest_name/config"
-      ) | awk '{print $NF;}'
-   fi
-}
-
-
 # find proper sysfs and count it
 # Debian 6.0: /sys/fs/cgroup/<container>/tasks
 # Ubuntu 12.04 with fstab: /sys/fs/cgroup/lxc/<container>/tasks
@@ -259,7 +240,7 @@ EOF
 
    for guest_name in $active_guests
    do
-      device=$(lxc_netdev "$guest_name")
+      device=$(lxc-info -n "$guest_name" | grep Link | sed 's/Link:\ \+//g')
       if [ -z "$device" ]; then
          continue
       fi
@@ -362,7 +343,7 @@ do_fetch() {
    echo "multigraph lxc_net"
    for guest_name in $active_guests
    do
-      device=$(lxc_netdev "$guest_name")
+      device=$(lxc-info -n "$guest_name" | grep Link | sed 's/Link:\ \+//g')
       if [ -z "$device" ]; then
          value_up="U"
          value_down="U"