anchor.diff:    name                      = "router2-peer1"
     router                    = google_compute_router.router2.name
     region                    = "us-central1"
  -  peer_ip_address           = "169.254.0.2"
  +  peer_ip_address           = "169.254.0.1"
     peer_asn                  = 64514
     advertised_route_priority = 100
     interface                 = google_compute_router_interface.router2_interface1.name
  
positive.code:   name       = "router1-interface2"
    router     = google_compute_router.router1.name
    region     = "us-central1"
    ip_range   = "169.254.1.1/30"
    vpn_tunnel = google_compute_vpn_tunnel.tunnel2.name
  }
  
  
negative.code:   name       = "router2-interface1"
    router     = google_compute_router.router2.name
    region     = "us-central1"
    ip_range   = "169.254.0.2/30"
    vpn_tunnel = google_compute_vpn_tunnel.tunnel3.name
  }
  
  