RDKBACCL-827: brlan0 is not having IP during switch back from bridgemode

Reason for change: Setting lan-status and killing dnsmasq when switching
to bridgemode
Test procedure: Checked IP for brlan0 during switch back from bridgemode
Risks: Low

Signed-off-by: Manigandan Gopalakrishnan <[email protected]>

Author: manigandanj

meta-rdk-mtk-bpir4/recipes-ccsp/util/utopia/service_bridge_bpi.sh

@@ -440,6 +440,7 @@ virtual_interface()
         if [ "$LAN_IP" != "$dst_ip" ]; then
                 ifconfig "$CMDIAG_IF" $dst_ip netmask "$LAN_NETMASK" up
         fi
+        sysevent set ipv4_4-status down
     else
         ifconfig "$CMDIAG_IF" down
         ifconfig l"$CMDIAG_IF" down