NFD

Multiple scenarios of IntegrationTests overwrite the logs, when multiple test cases of the same test suite are executed.

For example, test_tcp_udp_tunnel test suite has four test cases for tcp4 udp4 tcp6 udp6, but they write to the same set of log files.
After an automated test execution, logs from the first three test cases are lost.

Log files should be named such that no overwriting would happen.
All scenarios should be checked for this problem.