code: def create_gre_tunnel_no_encryption(cls, name, local_endpoint, remote_endpoint,
                            mtu=0, pmtu_discovery=True, ttl=0,
                            enabled=True, comment=None):
          
          return cls.create_gre_tunnel_mode(
              name, local_endpoint, remote_endpoint, policy_vpn=None,
              mtu=mtu, pmtu_discovery=pmtu_discovery, ttl=ttl,
              enabled=enabled, comment=comment)
docs: Create a GRE Tunnel with no encryption. See `create_gre_tunnel_mode` for
          constructor descriptions.