diff --git a/lib/fog/libvirt/models/compute/server.rb b/lib/fog/libvirt/models/compute/server.rb
index b6db9c9d6..31df6638c 100644
--- a/lib/fog/libvirt/models/compute/server.rb
+++ b/lib/fog/libvirt/models/compute/server.rb
@@ -279,7 +279,7 @@ module Fog
           # Aug 24 17:34:41 juno arpwatch: new station 10.247.4.137 52:54:00:88:5a:0a eth0.4
           # Aug 24 17:37:19 juno arpwatch: changed ethernet address 10.247.4.137 52:54:00:27:33:00 (52:54:00:88:5a:0a) eth0.4
           # Check if another ip_command string was provided
-          ip_command_global=@connection.ip_command.nil? ? 'grep $mac /var/log/arpwatch.log|sed -e "s/new station//"|sed -e "s/changed ethernet address//g" |tail -1 |cut -d ":" -f 4-| cut -d " " -f 3' : @connection.ip_command
+          ip_command_global=@connection.ip_command.nil? ? 'grep $mac /var/log/arpwatch.log|sed -e "s/new station//"|sed -e "s/changed ethernet address//g" |sed -e "s/reused old ethernet //" |tail -1 |cut -d ":" -f 4-| cut -d " " -f 3' : @connection.ip_command
           ip_command_local=options[:ip_command].nil? ? ip_command_global : options[:ip_command]
 
           ip_command="mac=#{mac}; "+ip_command_local