Update ipvs library to the new repo and upgrade library version

vendor/github.com/moby/ipvs/README.md

@@ -0,0 +1,34 @@
+# ipvs - networking for containers
+
+![Test](https://github.com/moby/ipvs/workflows/Test/badge.svg) [![GoDoc](https://godoc.org/github.com/moby/ipvs?status.svg)](https://godoc.org/github.com/moby/ipvs) [![Go Report Card](https://goreportcard.com/badge/github.com/moby/ipvs)](https://goreportcard.com/report/github.com/moby/ipvs)
+
+ipvs provides a native Go implementation for communicating with IPVS kernel module using a netlink socket.
+
+
+#### Using ipvs
+
+```go
+import (
+	"log"
+
+	"github.com/moby/ipvs"
+)
+
+func main() {
+	handle, err := ipvs.New("")
+	if err != nil {
+		log.Fatalf("ipvs.New: %s", err)
+	}
+	svcs, err := handle.GetServices()
+	if err != nil {
+		log.Fatalf("handle.GetServices: %s", err)
+	}
+}
+```
+
+## Contributing
+
+Want to hack on ipvs? [Docker's contributions guidelines](https://github.com/docker/docker/blob/master/CONTRIBUTING.md) apply.
+
+## Copyright and license
+Code and documentation copyright 2015 Docker, inc. Code released under the Apache 2.0 license. Docs released under Creative commons.