Bump github.com/fsouza/go-dockerclient from 1.5.0 to 1.6.0

Bumps [github.com/fsouza/go-dockerclient](https://github.com/fsouza/go-dockerclient) from 1.5.0 to 1.6.0.
- [Release notes](https://github.com/fsouza/go-dockerclient/releases)
- [Commits](fsouza/go-dockerclient@v1.5.0...v1.6.0)

Signed-off-by: dependabot-preview[bot] <[email protected]>
Signed-off-by: Valentin Rothberg <[email protected]>

Closes: #1974
Approved by: rhatdan

go.mod

@@ -14,7 +14,7 @@ require (
 	github.com/docker/go-units v0.4.0
 	github.com/docker/libnetwork v0.8.0-dev.2.0.20190625141545-5a177b73e316
 	github.com/etcd-io/bbolt v1.3.3
-	github.com/fsouza/go-dockerclient v1.5.0
+	github.com/fsouza/go-dockerclient v1.6.0
 	github.com/ghodss/yaml v1.0.0
 	github.com/hashicorp/go-multierror v1.0.0
 	github.com/imdario/mergo v0.3.6 // indirect
@@ -43,7 +43,7 @@ require (
 	github.com/vishvananda/netns v0.0.0-20190625233234-7109fa855b0f // indirect
 	github.com/xeipuuv/gojsonschema v1.1.0 // indirect
 	golang.org/x/crypto v0.0.0-20190927123631-a832865fa7ad
-	golang.org/x/sys v0.0.0-20190902133755-9109b7679e13
+	golang.org/x/sys v0.0.0-20190916202348-b4ddaad3f8a3
 	golang.org/x/time v0.0.0-20190921001708-c4c64cad1fd0 // indirect
 	google.golang.org/grpc v1.24.0 // indirect
 	k8s.io/api v0.0.0-20190813020757-36bff7324fb7 // indirect