}

	// Also check the method for the older kernels if not tested before
	if hasSOLMPTCP && !isUsingMPTCPProto(tcp.fd) {
		t.Error("outgoing connection is not an MPTCP proto")
	}
}

func canCreateMPTCPSocket() bool {
	// We want to know if we can create an MPTCP socket, not just if it is
	// available (mptcpAvailable()): it could be blocked by the admin