Changes

RAN_Emulation: Fix error: CLIENT multiple conns requires explicit addressing

Fixes fynamic test error during HNBGW_Tests.TC_sccp_cr_limit:
Dynamic test case error: Port CLIENT has more than one active connections. Message can be sent on it only with explicit addressing.

Related: SYS#7600
Change-Id: Icb038e041bd5e82f95141e1814571d7c7f75878b