Sending non-empty body for some requests breaks docker > 1.12 about docker-modem HOT 14 CLOSED

Version 17.06.0-rc1-ce-mac13 (18169)
Channel: edge
2425473dc2

{ Error: (HTTP code 400) unexpected - starting container with non-empty request body was deprecated since v1.10 and removed in v1.12
    at /Users/phil/Documents/Projects/bot/node_modules/docker-modem/lib/modem.js:239:17
    at getCause (/Users/phil/Documents/Projects/bot/node_modules/docker-modem/lib/modem.js:269:7)
    at Modem.buildPayload (/Users/phil/Documents/Projects/bot/node_modules/docker-modem/lib/modem.js:238:5)
    at IncomingMessage.<anonymous> (/Users/phil/Documents/Projects/bot/node_modules/docker-modem/lib/modem.js:214:14)
    at emitNone (events.js:110:20)
    at IncomingMessage.emit (events.js:207:7)
    at endReadableNT (_stream_readable.js:1045:12)
    at _combinedTickCallback (internal/process/next_tick.js:102:11)
    at process._tickCallback (internal/process/next_tick.js:161:9)
  reason: undefined,
  statusCode: 400,
  json: { message: 'starting container with non-empty request body was deprecated since v1.10 and removed in v1.12' } }

const container = this.dockerode.getContainer(myName);

container.attach({
    stream: true,
    stdout: true,
    stdin: true,
    stderr: true
}, (attachError, stream) => {
    container.modem.demuxStream(stream, process.stdout, process.stderr);
});

container.start({ }, (error, result) => {
    if (error) {
        console.error('Docker => error', error);
        reject(error);
    }

    console.log('Docker => finished');

    container.wait((waitError, waitResult) => {
        if (waitError) {
            console.error('Docker =>wait error', waitError);
        }

        console.log('Docker => wait finished');
    });
});

   if (data !== '{}' && data !== '""') {
      optionsf.headers['Content-Type'] = 'application/json';
    } else {
      data = undefined;
    }

$ docker version
Client:
 Version:      17.06.0-ce-rc1
 API version:  1.30
 Go version:   go1.8.1
 Git commit:   7f8486a
 Built:        Wed May 31 02:56:01 2017
 OS/Arch:      darwin/amd64

Server:
 Version:      17.06.0-ce-rc1
 API version:  1.30 (minimum version 1.12)
 Go version:   go1.8.1
 Git commit:   7f8486a
 Built:        Wed May 31 03:00:14 2017
 OS/Arch:      linux/amd64
 Experimental: true