feat(region,host): support multiqueues on vhost network (#14455)

Guest network add attribute num_queues, one is default.
And we can assign queues on guest create, eg:
server-create --net num-queues=4

Signed-off-by: wanyaoqi <d3lx.yq@gmail.com>

Co-authored-by: wanyaoqi <wanyaoqi@baidu.com>

pkg/cloudcommon/cmdline/parser.go

@@ -242,6 +242,8 @@ func ParseNetworkConfig(desc string, idx int) (*compute.NetworkConfig, error) {
 			netConfig.StandbyAddrCount, _ = strconv.Atoi(p[len("standby-addr="):])
 		} else if utils.IsInStringArray(p, []string{"virtio", "e1000", "vmxnet3"}) {
 			netConfig.Driver = p
+		} else if strings.HasPrefix(p, "num-queues=") {
+			netConfig.NumQueues, _ = strconv.Atoi(p[len("num-queues="):])
 		} else if regutils.MatchSize(p) {
 			bw, err := fileutils.GetSizeMb(p, 'M', 1000)
 			if err != nil {