sleep longer for waiting for network and reboot

viirb-2-configure-fully-after-upgrade.sh

@@ -122,8 +122,10 @@ reboot
 #/etc/init.d/network restart
 EOF
 
-# ensure network is up and running - bridge takes a bit of time
+# ensure viirb is back
-sleep 10
+# ensure viirb network is up and running - bridge takes a bit of time
+# ensure viirb gives out ipv6 address
+sleep 30
 
 # change to ipv6
 viirb_ip=${my_lan_ip}