Log in to the NSX Advanced Load Balancer shell prompt to use the various options available for the SE group upgrade.
Use the upgrade segroup se_group_refs Default-Group image_ref<image name> command to upgrade an SE group to the Controller image.
[admin:-controller]: >upgrade segroup se_group_refs Default-Group image_ref 18.2.6-9134-20191101.042535
Use the upgrade segroup se_group_refs Default-Group image_ref *lt;Controller image> se_patch_ref <SE patch name>: command to upgrade an SE group to the Controller image and the SE patch image.
[admin:-controller]: >upgrade segroup se_group_refs Default-Group image_ref 18.2.6-9134-20191101.042535 se_patch_ref 18.2.6-9134-2p1-20190806.011824