diff --git a/plugins/lxc/lxc-lib b/plugins/lxc/lxc-lib
index 90f90e6b..577cc70d 100644
--- a/plugins/lxc/lxc-lib
+++ b/plugins/lxc/lxc-lib
@@ -44,7 +44,7 @@ function lxc_cgroup {
    lxc-cgroup -o /dev/stdout -l INFO $* | sed 's/^.*lxc_cgroup.c:main:[0-9][0-9]* - //'
 
    # lxc < 3
-   #lxc-cgroup $*
+#   lxc-cgroup $*
 }
 
 function lxc_clean_fieldname {
@@ -56,7 +56,11 @@ function lxc_netdev {
    local g=$1 dev
 
    if [ -f $lxcpath/$g/config ]; then
-      grep lxc.net.0.veth.pair $lxcpath/$g/config | awk '{print $NF;}'
+      # lxc3
+      egrep '^lxc.net.0.veth.pair' $lxcpath/$g/config | awk '{print $NF;}'
+
+      # lxc < 3
+#      egrep '^lxc.network.veth.pair' $lxcpath/$g/config | awk '{print $NF;}'
    else
       echo unknown
    fi