MB-7168: try timeout 60 sec after failover, befor reb

Change-Id: I79287410c52ec38f75c3b6c4b441159593bc1402
Reviewed-on: http://review.couchbase.org/24259
Reviewed-by: Andrei Baranouski <andrei.baranouski@gmail.com>
Tested-by: Andrei Baranouski <andrei.baranouski@gmail.com>