This series adds a new migration test through RDMA.
To correct uses of migration need to add a new function to work
with RDMA service.
And as a part of migration tests, the series makes small updates to EXEC
migration and to _get_free_port function

V2:
 - improves commit message in Acceptance test: adds param 'address'
   in _get_free_port
 - provides import check for netifaces library
 - makes fix to _get_ip_rdma function
 - adds skip to test if not upload python module

V3:
 - removes unrelated changes
 - updates functions with new avocado features

V4:
 - moves RDMA's functions outside the Migration class

V5:
 - improvement to comments
 - updates to functions

Oksana Vohchana (3):
  Acceptance test: adds param 'address' in _get_free_port
  Acceptance test: provides new functions
  Acceptance test: provides to use RDMA transport for migration test

 tests/acceptance/migration.py | 61 +++++++++++++++++++++++++++++++++--
 1 file changed, 59 insertions(+), 2 deletions(-)

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2.21.1