Add one case of virtual network

1.Reboot guest multiple times with multiple NICs
Signed-off-by: NLei Yang <leiyang@redhat.com>

qemu-guest-agent: bug fix of python bin in windows guest

Add test cases to test hotplug maximum number of vCPU devices

4 new cases to test hotplug invalid cpu device

update QEMU command line for EnrollDefaultKeys.efi invocation

Add test cases to test hotplug maximum number of vCPU devices and then
hotunplug them.
Signed-off-by: NYihuang Yu <yihyu@redhat.com>

python bin should be python2.7 in windows guest.
Signed-off-by: NXiaoling Gao <xiagao@redhat.com>

1. save certificate file as SecureBootPkKek1.oemstr
2. append the following option to the QEMU command line:
   -smbios type=11,value="$(< SecureBootPkKek1.oemstr)"
3. add parameter "time_interval"
Signed-off-by: NXueqiang Wei <xuwei@redhat.com>

nested_test: Fix get L1 guest ip address failed issue

use vm.wait_for_get_address replace vm.get_address, and
set timeout value to 240s
Signed-off-by: NYanan Fu <yfu@redhat.com>

uefi_secureboot: make sure guest boot from image

Since edk2 does not support boot order, it needs boot index instead
Signed-off-by: NXueqiang Wei <xuwei@redhat.com>

New case of trim support test for windows guest

Add vendor variant check in nested test case

Signed-off-by: NQinghua Cheng <qcheng@redhat.com>

New case of create_large_raw_img

Test the disk size when boot with "discard=map"
Signed-off-by: NYu Wang <wyu@redhat.com>

Test creating large raw images on different file systems.
Signed-off-by: NTingting Mao <timao@redhat.com>

device_option_check: Support checking cdrom wwn option under s390x

Remove the compilation options "--enable-demo=yes"

hugepage_mem_stress: New case to test qemu hugepage memory stress

New case to test qemu hugepage memory stress.
Signed-off-by: NZhenyu Zhang <zhenyzha@redhat.com>

1.Does not compile netperf package
Signed-off-by: NLei Yang <leiyang@redhat.com>

guest_test: using safe mode when execute cmd with serial session

Add options to Bootstrap.sh

Signed-off-by: NQinghua Cheng <qcheng@redhat.com>

netkvm_change_param_value_test:change ping prams for host to guest

check_link_speed_duplex: change/delete default speed for guests

Add new cases to hotplug vCPU device during boot

Snapshot on multi_disks under transaction mode

1 Change default speed for windows according to product change
2 Delete default speed check for linux guest
Signed-off-by: NYu Wang <wyu@redhat.com>

Signed-off-by: NYanan Fu <yfu@redhat.com>

blockdev_snapshot_multi_disks:snapshot on multi_disks under transaction mode
Signed-off-by: NAihua Liang <aliang@redhat.com>

block_check_event: New case to check event id in windows log

New case to check disk size increased can be detected automatically

New a case that checks the size fo disk increased could
be detected automatically.
Signed-off-by: NYongxue Hong <yhong@redhat.com>

block_hotplug_scsi_hba: Add cases to test options of hotplug scsi hba

The command of ping is not correct, it using "-i" params, should
be deleted.
Signed-off-by: NYu Wang <wyu@redhat.com>