virttest: Remove sit0 in get_linux_ifname of utils_net

sit0 is IPv6-in-IPv4 device added in system which not represent devices
added by vm.

Signed-off-by: Yiqiao Pu <ypu@redhat.com>
cfg.base: Add migration relative parameters.

Use remote_ip and local_ip as destination and source host
for migration may disturb libvirt tests. So separate them
only for migration relative tests.

Signed-off-by: Yu Mingfei <yumingfei@cn.fujitsu.com>
virttest.utils_libguestfs: fix a typo in pvresize_size
Add hub/input device xml implementation, add driver option in controller device.
virttest.utils_misc: support killing a process with pattern

Signed-off-by: Alex Jia <chuanchang.jia@gmail.com>
virt: Add a func to canonicalize disk address in utils_test module

Signed-off-by: Li Yang <liyang.fnst@cn.fujitsu.com>
Merge pull request #1743 from rbian/disk-options

Hub/input device xml implementation.
Merge pull request #1756 from liyangfnst/format

virt: Add a func to format disk address in utils_test module
Merge pull request #1705 from ypu/sit0

virttest: Remove sit0 in get_linux_ifname of utils_net
Merge pull request #1732 from yumingfei/migrate_parameters

cfg.base: Add migration relative parameters.
Merge pull request #1746 from vanbogithub/bfan-next

virttest.utils_libguestfs: fix a typo in pvresize_size
Merge pull request #1749 from chuanchang/kill_process_by_pattern

virttest.utils_misc: support killing a process with pattern
virttest.virsh: add blkdeviotune command wrapper

Signed-off-by: Alex Jia <chuanchang.jia@gmail.com>