Send a SeedLink INFO command and retrieve response.
Available info levels depend on the server implementation. Usually one
of ID, CAPABILITIES, STATIONS, STREAMS, GAPS,
As a convenience, the server’s CAPABILITIES can be accessed through
the client’s capabilities attribute.
This is a synchronous call. While the client waits for the
response, other packets the server might potentially send will
|Parameters:||level (str) The INFO level to retrieve (sent as INFO:LEVEL)