anchor.diff:    name       = "router2-interface1"
     router     = google_compute_router.router2.name
     region     = "us-central1"
  -  ip_range   = "169.254.0.1/30"
  +  ip_range   = "169.254.0.2/30"
     vpn_tunnel = google_compute_vpn_tunnel.tunnel3.name
   }
   
  
positive.code:   name                      = "router2-peer1"
    router                    = google_compute_router.router2.name
    region                    = "us-central1"
    peer_ip_address           = "169.254.0.2"
    peer_asn                  = 64514
    advertised_route_priority = 100
    interface                 = google_compute_router_interface.router2_interface1.name
  
negative.code:   name       = "router1-interface2"
    router     = google_compute_router.router1.name
    region     = "us-central1"
    ip_range   = "169.254.1.2/30"
    vpn_tunnel = google_compute_vpn_tunnel.tunnel2.name
  }
  
  