Add app source, add vendoring and module support

vendor/github.com/vishvananda/netlink/genetlink_unspecified.go

@@ -0,0 +1,25 @@
+// +build !linux
+
+package netlink
+
+type GenlOp struct{}
+
+type GenlMulticastGroup struct{}
+
+type GenlFamily struct{}
+
+func (h *Handle) GenlFamilyList() ([]*GenlFamily, error) {
+	return nil, ErrNotImplemented
+}
+
+func GenlFamilyList() ([]*GenlFamily, error) {
+	return nil, ErrNotImplemented
+}
+
+func (h *Handle) GenlFamilyGet(name string) (*GenlFamily, error) {
+	return nil, ErrNotImplemented
+}
+
+func GenlFamilyGet(name string) (*GenlFamily, error) {
+	return nil, ErrNotImplemented
+}