Flush entire interface rather than just routes

This patch changes the flush routes handler to flush the entire
interface config from the interface. This is needed because
systemd-networkd does not restore the route of non-DHCP interfaces
when flushing routes and restarting systemd-networks.

Change-Id: I17748b0dd2307fd9bee705140c67883140090298
Signed-off-by: Major Hayden <major@mhtx.net>

handlers/main.yml

@@ -48,8 +48,11 @@
   retries: 3
   listen: Lxc container restart
 
-- name: Flush routes
-  command: "ip route flush table main"
+- name: Flush addresses
+  command: "ip addr flush {{ item.value.interface }}"
+  with_dict: "{{ lxc_container_networks_combined }}"
+  when:
+    - item.value.interface is defined
   listen: Restart networkd
 
 - name: Restart systemd-networkd