vrrp_instance SERVICE {
  state MASTER
  interface enp1s0
  garp_master_delay 5
  virtual_router_id XXX
  priority WW
  advert_int 1
  authentication {
    auth_type PASS
    auth_pass YYY
  }
  virtual_ipaddress {
    192.168.100.ZZZ/24 dev enp1s0
  }
}

virtual_server 192.168.100.ZZZ 80 {
  delay_loop 1
  lb_algo rr
  lb_kind DR
  protocol TCP
  real_server 192.168.100.150 80 {
    weight 1
    inhibit_on_failure
    HTTP_GET {
      url {
        path /index.html
        status_code 200
      }
      connect_timeout 1
      nb_get_retry 1
      delay_before_retry 1
    }
  }
  real_server 192.168.100.151 80 {
    weight 1
    inhibit_on_failure
    HTTP_GET {
      url {
        path /index.html
        status_code 200
      }
      connect_timeout 1
      nb_get_retry 1
      delay_before_retry 1
    }
  }
}