1. fix python 3 compatible issue
2. add e1000e variant
3. remove e1000 for RHEL8 guest
Signed-off-by: NXiyue Wang <xiywang@redhat.com>

Adding `shell=True` to the required places.
Signed-off-by: NXu Han <xuhan@redhat.com>

Signed-off-by: NXu Han <xuhan@redhat.com>

Clean up imports across the board in tp-qemu. The criteria
followed was:

1) Remove unnecessary imports
2) Turn multi imports from a single entry point to one
   import per line. This increases both patch and
   source code readability.
3) Separate blocks of imports with a line:
   * Python standard library imports
   * Autotest imports
   * virttest imports
   * Internal tp-qemu imports
4) Remove try/except blocks refering autotest libs and
   stick with the virttest.staging copy

This paves the way for the future removal of autotest
references, replacing those references with avocado ones.
Signed-off-by: NLucas Meneghel Rodrigues <lmr@redhat.com>

Signed-off-by: NChris Evich <cevich@redhat.com>

There's no need to have the name of the "run_" method (main
test entry point) depend on the test name. So, for simplicity sake,
let's just name the test entry point "run".

Note: Related to PR #1196.
Signed-off-by: NRuda Moura <rmoura@redhat.com>

Catching up with some problems found w.r.t. coding style
Signed-off-by: NLucas Meneghel Rodrigues <lmr@redhat.com>

This patch add a test for qemu nic device options check
Signed-off-by: NYunping Zheng <yunzheng@redhat.com>