diff --git a/plugins/guests/coreos/cap/configure_networks.rb b/plugins/guests/coreos/cap/configure_networks.rb
index 6166105cf..5d992ae91 100644
--- a/plugins/guests/coreos/cap/configure_networks.rb
+++ b/plugins/guests/coreos/cap/configure_networks.rb
@@ -10,24 +10,20 @@ module VagrantPlugins
 
         def self.configure_networks(machine, networks)
           machine.communicate.tap do |comm|
-            # Remove any previous host only network additions to the interface file
+            # Disable default etcd
             comm.sudo("systemctl stop etcd")
 
-            primary_machine = machine.env.active_machines
-            #machine.env[:primary_machine].provider.driver.read_network_interfaces
-            #puts machine.env['admin1'].provider_config.network_adapters
-            #puts primary_machine
-
-            # Configure each network interface
+            # Read network interface names
             interfaces = []
             comm.sudo("ifconfig | grep enp0 | cut -f1 -d:") do |_, result|
               interfaces = result.split("\n")
             end
 
+            # Configure interfaces
+            # FIXME: fix matching of interfaces with IP adresses
             networks.each do |network|
               comm.sudo("ifconfig #{interfaces[network[:interface].to_i]} #{network[:ip]} netmask #{network[:netmask]}")
             end
-            puts 'TODO start etcd'
 
             primary_machine_config = machine.env.active_machines.first
             primary_machine = machine.env.machine(*primary_machine_config, true)
@@ -51,9 +47,7 @@ module VagrantPlugins
               })
             end
 
-            puts entry
-
-            Tempfile.open("vagrant", '.') do |temp|
+            Tempfile.open("vagrant") do |temp|
               temp.binmode
               temp.write(entry)
               temp.close