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[Xen-devel] [BUG] win2008 guest cannot get ip through sriov

Bug detailed description:
while assign a vf to guest with vf's bdf number in guest configure file 
static,or use command :"xl pci-attach $domid $bdf" dynamic , affter guest boot 
up,win2008 guest can not get ip.

Environment :
HW: Skylake-S ,Boardwell-ep,Board-ex,Haswell-ep,Haswell-ex
NIC: Intel Corporation 82599 Ethernet Controller
Xen: Xen 4.7.0 RC3
Dom0: Linux 4.6.0

Reproduce steps:
1.boot up a win2008 guest with vf's bdf number in guest configure file(boot up 
a win2k8 guest then use :"xl pci-attach $domid $bdf" to guest).
2.check guest ip .

Current result:
Win2008 guest didn't have ip address .

Base error log:
Please check attachment .


Attachment: win2008.gif
Description: win2008.gif

Attachment: configure file.txt
Description: configure file.txt

Attachment: win2k8_xen4.7rc3_hsw_ep1_fail.log
Description: win2k8_xen4.7rc3_hsw_ep1_fail.log

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