const net/http.http2cipher_TLS_ECDHE_ECDSA_WITH_AES_128_CCM_8

one use

	net/http (current package)
		h2_bundle.go#L433: 	http2cipher_TLS_ECDHE_ECDSA_WITH_AES_128_CCM_8           uint16 = 0xC0AE