Workaround - using ‘socat’:
$ socat -d TCP-LISTEN:2376,range=127.0.0.1/32,reuseaddr,fork UNIX:/var/run/docker.sock
$ curl localhost:2376/version
{"Version":"1.11.2","ApiVersion":"1.23","GitCommit":"56888bf","GoVersion":"go1.5.4","Os":"linux","Arch":"amd64","KernelVersion":"4.4.12-moby","BuildTime":"2016-06-06T23:57:32.306881674+00:00"}