Update to version 1.4.3 of ONL

Change-Id: I5c3e66f7ec55a59f8d8105b8d65868335e9a0713
diff --git a/defaults/main.yml b/defaults/main.yml
index 8f71c1e..4f499d1 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -6,10 +6,10 @@
 
 onieboot_installers:
   - url: >-
-      https://github.com/opennetworkinglab/OpenNetworkLinux/releases/download/v1.4.2/ONL-OS_2021-02-19.2136-9338f84_AMD64_INSTALLED_INSTALLER
-    checksum: "sha256:f36e71ab0b699aa4a71ef63aa7c4bc4d918267c4cedee9172713cd5ef6cc9aee"
+      https://github.com/opennetworkinglab/OpenNetworkLinux/releases/download/v1.4.3/ONL-onf-ONLPv2_ONL-OS_2021-07-16.2159-5195444_AMD64_INSTALLED_INSTALLER
+    checksum: "sha256:f947202cc940307c38424322bb85e6570cbafb73cdcc3c95c96fd51322e1b6a3"
 
 onieboot_default_installer: >-
-  ONL-OS_2021-02-19.2136-9338f84_AMD64_INSTALLED_INSTALLER
+  ONL-onf-ONLPv2_ONL-OS_2021-07-16.2159-5195444_AMD64_INSTALLED_INSTALLER
 
 onieboot_web_root: "/srv/sites/default"