When I call

`deriveaddresses "sh(wsh(multi(2,[aeee1e6a/49h/1h/0h]tpubDC5bVdaveQYxGFztMShFAjU637kKjrs9FD8ne1oHR7z8tLeQJExsaxWRVeSpcCcYMdp5ecf2LQhuVaeYFZ7YEpvWTJr4nDGUJrmuvLuTSsp/1/*,[f04973fd/49h/1h/0h]tpubDDSx3fQ8QyVN21PqRwobfAeDnjesTRMG3U6MPs2aUW5tYg9Arhz4tBRiUWTc9VrJBxRVXJqSrULfGs5HJZTqMJC7PBtDGT7cVtsySf76wmS/1/*,[149b5aca/49h/1h/0h]tpubDCCrKqf5e4eiXxRsma3QkcoKbd6MS8zxK5NTfsvNerTPVZcZqFMbn12D3qtWNLUBdxFkRhw2ZToRCMCNQzxG1T8dCVNMRuLwCmUngyf3CbB/1/*)))" 0 1`

I get back the following descriptors from getaddressinfo for the two addresses generated:

`sh(wsh(multi(2,[aeee1e6a/49'/1'/0'/1/0]021387edfa7024c6bced022d8ab95733e38f8fbe4151e28532feb29f8906a4fb5e,[80a9880b]039116115d10440ec1ba2f634e9b7f3b2a3f54dee5b9699501fc58394ddebd62c6,[4f4c39da]03539160098ca953042302cb577ae6103f44f58bd2d093819d3f3c8e267329f99c)))`

`sh(wsh(multi(2,[aeee1e6a/49'/1'/0'/1/1]03789212b1eeae74ea7d2729bedbe72f41e295543c0b8641ed8b883556dddef55f,[6e6574dc]028b4ec07462a0dd937b8d608b5951e8d2f7494145180e0265b17cf02b280d2629,[80b02878]0212a0f24ccc397b5bef557a3270b6c2cfb148fd726e4cdb417ef5c7655dd31838)))`

It looks like all three "*" path elements are incrementing together, correctly, but the key origin information is lost for the second and third ones.
{"label", RPCArg::Type::STR,  "''", "Label to assign to the address, only allowed with internal=false"},
                                    {"keypool", RPCArg::Type::BOOL,  "false", "Stating whether imported public keys should be added to the keypool for when users request new addresses. Only allowed when wallet private keys are disabled"},
                                },
                            },
                        },
                        "\"requests\""},
                    {"options", RPCArg::Type::OBJ, RPCArg::Optional::OMITTED_NAMED_ARG, "",
                        {
                            {"rescan", RPCArg::Type::BOOL,  "true", "Stating if should rescan the blockchain after all imports"},
                        },
                        "\"options\""},
                },
                RPCResult{
            "\nResponse is an array with the same size as the input that has the execution result :\n"
            "  [{\"success\": true}, {\"success\": true, \"warnings\": [\"Ignoring irrelevant private key\"]}, {\"success\": false, \"error\": {\"code\": -1, \"message\": \"Internal Server Error\"}}, ...]\n"
                },
                RPCExamples{
                    HelpExampleCli("importmulti", "'[{ \"scriptPubKey\": { \"address\": \"<my address>\" }, \"timestamp\":1455191478 }, "
                                          "{ \"scriptPubKey\": { \"address\": \"<my 2nd address>\" }, \"label\": \"example 2\", \"timestamp\": 1455191480 }]'") +
                    HelpExampleCli("importmulti", "'[{ \"scriptPubKey\": { \"address\": \"<my address>\" }, \"timestamp\":1455191478 }]' '{ \"rescan\": false}'")
                },
            }.ToString()
        );
    RPCTypeCheck(mainRequest.params, {UniValue::VARR, UniValue::VOBJ});
    const UniValue& requests = mainRequest.params[0];
    
    bool fRescan = true;
    if (!mainRequest.params[1].isNull()) {
        const UniValue& options = mainRequest.params[1];
        if (options.exists("rescan")) {