diff --git a/plugins/providers/docker/action/prepare_networks.rb b/plugins/providers/docker/action/prepare_networks.rb
index 21d3607af..4d1904e85 100644
--- a/plugins/providers/docker/action/prepare_networks.rb
+++ b/plugins/providers/docker/action/prepare_networks.rb
@@ -282,6 +282,7 @@ module VagrantPlugins
             begin
               range = IPAddr.new(range)
               if !subnet.include?(range)
+                puts "we in here"
                 env[:ui].warn(I18n.t(
                   "docker_provider.network_bridge_iprange_outofbounds",
                   subnet: network_options[:subnet],
diff --git a/test/unit/plugins/providers/docker/action/prepare_networks_test.rb b/test/unit/plugins/providers/docker/action/prepare_networks_test.rb
index 2b5b0fb4e..1a2ccb7eb 100644
--- a/test/unit/plugins/providers/docker/action/prepare_networks_test.rb
+++ b/test/unit/plugins/providers/docker/action/prepare_networks_test.rb
@@ -322,5 +322,19 @@ describe VagrantPlugins::DockerProvider::Action::PrepareNetworks do
   end
 
   describe "#request_public_iprange" do
+    let(:options) { {:ip=>"172.30.130.2", :subnet=>"172.30.0.0/16", :driver=>"bridge", :id=>"30e017d5-488f-5a2f-a3ke-k8dce8246b60"} }
+    let(:ipaddr) { double("ipaddr", to_s: "172.30.100.2", prefix: 22, succ: "172.30.100.3",
+                          ipv6?: false) }
+    let(:subnet) { double("ipaddr", to_s: "172.30.130.2", prefix: 22, succ: "172.30.130.3",
+                          ipv6?: false) }
+
+    it "requests a public ip range" do
+      allow(IPAddr).to receive(:new).with(options[:subnet]).and_return(subnet)
+      allow(IPAddr).to receive(:new).with("172.30.130.2").and_return(ipaddr)
+      allow(subnet).to receive(:include?).and_return(true)
+      allow(machine.ui).to receive(:ask).and_return(options[:ip])
+
+      addr = subject.request_public_iprange(options, "bridge", env)
+    end
   end
 end