bootloop in VRRP on CCR1036-8G-2S+

Hello,
Followed wiki example in setting VRRP and just after adding IP address to VRRP interface both routers went to bootloop. Had to disconnect VRRP member interfaces, removed any vrrp related conf and routers back online.

       routerboard: yes
             model: CCR1036-8G-2S+
     firmware-type: tilegx
  factory-firmware: 3.41
  current-firmware: 7.0beta3
  upgrade-firmware: 7.0beta3