rumprun kernels can not get any packet from NIC on XenServer 6.5

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###                  Whole VM information                                                   #####
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[root@xenserver-xwjzmkiq ~]# xenstore-ls /local/domain/2
vm = "/vm/a5ce2775-be7a-4529-9154-bad8b0f50083"
name = "rumprun-netcat.bin"
cpu = ""
 0 = ""
  availability = "online"
memory = ""
 static-max = "65536"
 target = "65537"
 videoram = "-1"
device = ""
 suspend = ""
  event-channel = ""
 vif = ""
  0 = ""
   backend = "/local/domain/0/backend/vif/2/0"
   backend-id = "0"
   state = "4"
   handle = "0"
   mac = "00:16:3e:07:04:4a"
   tx-ring-ref = "2047"
   rx-ring-ref = "2046"
   event-channel = "4"
   feature-no-csum-offload = "1"
   request-rx-copy = "1"
control = ""
 shutdown = ""
 platform-feature-multiprocessor-suspend = "1"
 platform-feature-xs_reset_watches = "1"
data = ""
domid = "2"
store = ""
 port = "1"
 ring-ref = "325326"
console = ""
 backend = "/local/domain/0/backend/console/2/0"
 backend-id = "0"
 limit = "1048576"
 type = "xenconsoled"
 output = "pty"
 tty = "/dev/pts/2"
 port = "2"
 ring-ref = "325325"
rumprun = ""
 cfg = " {, \n\t"net" :  {, \n\t\t"if":\t\t"xenif0", \n\t\t"cloner":\t"true", \n\t\t"type":\t"inet", \n\t\t"method":\t"static", \n\t\t"addr":\t"10.0.120.120", \n\t\t"mask":\t"24", \n\t}, \n\t"blk" :  {, \n\t\t"source":\t"dev", \\..."


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###                  Backend                                                                #####
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[root@xenserver-xwjzmkiq ~]# xenstore-ls /local/domain/0/backend/vif/2/0
frontend = "/local/domain/2/device/vif/0"
frontend-id = "2"
online = "1"
state = "4"
script = "/etc/xen/scripts/vif-bridge"
mac = "00:16:3e:07:04:4a"
bridge = "xenbr0"
handle = "0"
type = "vif"
feature-sg = "1"
feature-gso-tcpv4 = "1"
feature-gso-tcpv6 = "1"
feature-ipv6-csum-offload = "1"
feature-rx-copy = "1"
feature-rx-flip = "0"
feature-split-event-channels = "1"
hotplug-error = "Failed to read /xapi/2/private/vif/0/MTU"
hotplug-status = "connected"

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###                  Frontend                                                                #####
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[root@xenserver-xwjzmkiq ~]# xenstore-ls /local/domain/2/device/vif/0
backend = "/local/domain/0/backend/vif/2/0"
backend-id = "0"
state = "4"
handle = "0"
mac = "00:16:3e:07:04:4a"
tx-ring-ref = "2047"
rx-ring-ref = "2046"
event-channel = "4"
feature-no-csum-offload = "1"
request-rx-copy = "1"

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###       The VIF device has "NO-CARRIER"                                                   #####
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[root@xenserver-xwjzmkiq ~]# ip link
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN mode DEFAULT
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast master xenbr0 state UNKNOWN mode DEFAULT qlen 1000
    link/ether 08:00:27:53:96:8e brd ff:ff:ff:ff:ff:ff
3: xenbr0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP mode DEFAULT
    link/ether 08:00:27:53:96:8e brd ff:ff:ff:ff:ff:ff
5: vif2.0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc pfifo_fast master xenbr0 state DOWN mode DEFAULT qlen 32
    link/ether fe:ff:ff:ff:ff:ff brd ff:ff:ff:ff:ff:ff

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###       Do ping, there's no packet go through vif device                                  #####
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[root@xenserver-xwjzmkiq ~]# ping -I vif2.0 10.0.120.120 -c 3
PING 10.0.120.120 (10.0.120.120) from 147.214.118.96 vif2.0: 56(84) bytes of data.
From 147.214.118.96 icmp_seq=1 Destination Host Unreachable
From 147.214.118.96 icmp_seq=2 Destination Host Unreachable
From 147.214.118.96 icmp_seq=3 Destination Host Unreachable

--- 10.0.120.120 ping statistics ---
3 packets transmitted, 0 received, +3 errors, 100% packet loss, time 1999ms
, pipe 3
[root@xenserver-xwjzmkiq ~]# ifconfig vif2.0
vif2.0    Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF
          UP BROADCAST MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:32
          RX bytes:0 (0.0 b)  TX bytes:0 (0.0 b)