force re-connect after network-manager starts up

packer/ansible/roles/network-manager/files/override.conf

@@ -0,0 +1,3 @@
+[Service]
+Environment=LC_ALL=en_US.UTF-8
+ExecStartPost=/usr/bin/nmcli connection up 'Wired connection 1'

packer/ansible/roles/network-manager/tasks/main.yml

@@ -14,5 +14,15 @@
       option: ipv4.dhcp-timeout
       value: 300
 
+  - name: create NetworkManager.service.d
+    file:
+      dest: /etc/systemd/system/NetworkManager.service.d
+      state: directory
+
+  - name: configure service override
+    copy:
+      src: override.conf
+      dest: /etc/systemd/system/NetworkManager.service.d/override.conf
+
   tags:
     - network-manager