A connection leak happens when running N1QL queries concurrently

> go version

go version go1.7.5 linux/amd64

> go env

GOARCH="amd64"

GOBIN=""

GOEXE=""

GOHOSTARCH="amd64"

GOHOSTOS="linux"

GOOS="linux"

GOPATH="/home/pavel/dev/go"

GORACE=""

GOROOT="/usr/lib/golang"

GOTOOLDIR="/usr/lib/golang/pkg/tool/linux_amd64"

CC="gcc"

GOGCCFLAGS="-fPIC -m64 -pthread -fmessage-length=0 -fdebug-prefix-map=/tmp/go-build144614873=/tmp/go-build -gno-record-gcc-switches"

CXX="g++"

CGO_ENABLED="1"

{

                        "checksumSHA1": "fsdN5ae3yIw8A08ycRKJxjT/Cuo=",

                        "path": "gopkg.in/couchbase/gocb.v1",

                        "revision": "6fca8af693ca20d33fd8427a09636362061a3b71",

                        "revisionTime": "2016-12-21T09:34:16Z"

}

2017/02/09 17:58:39 Post http://172.23.96.123:8093/query/service: dial tcp 172.23.96.123:8093: connect: cannot assign requested address