Merge pull request #18726 from asdil12/nm

Actually validate network connectivity on NM MM setup

lib/mm_network.pm

@@ -237,7 +237,7 @@ sub restart_networking {
         assert_script_run 'nmcli networking off';
         assert_script_run 'nmcli networking on';
         # Wait until the connections are configured
-        assert_script_run 'nmcli networking connectivity check';
+        assert_script_run "until nmcli networking connectivity check | tee /dev/stderr | grep full; do sleep 10; done";
     } else {
         assert_script_run 'rcnetwork restart';
     }