script: Use a new GW address

Use docker env variables to pass a new gw addr, since the old
gw (that is reported by the redirector) is not available.

Signed-off-by: Serhiy Boiko <serhiy.boiko@plvision.eu>
Change-Id: Ibb3a3b95d556996617d7f4ce1d6a58303df76ad7

src/scripts/docker-ucentral-client.sh

@@ -65,6 +65,7 @@ start() {
 			$(sonic-dockerlimits -sys ucentral_client) \
 			--net=$NET \
 			-e RUNTIME_OWNER=local \
+			-e UC_GATEWAY_ADDRESS=gw.dev01.apps.shastacloud.com \
 			--uts=host \
 			-v /etc/localtime:/etc/localtime:ro \
 			--tmpfs /tmp \