Add single-loop test variant to L2BD and L2XC tests

 - create single-loop version of tests
 - update doc strings

 - add possibility to log CLI string for logging level "info"

Change-Id: Ibc9e5650b8a33d2ed168a8440c2ae03227be60bb
Signed-off-by: Jan <jgelety@cisco.com>
diff --git a/test/doc/modules.rst b/test/doc/modules.rst
index 6d456d7..773283e 100644
--- a/test/doc/modules.rst
+++ b/test/doc/modules.rst
@@ -10,7 +10,7 @@
    run_tests
    scapy_handlers
    template_bd
-   test_ip
+   test_ip4
    test_ip6
    test_l2bd
    test_l2xc
diff --git a/test/doc/test_ip.rst b/test/doc/test_ip4.rst
similarity index 77%
rename from test/doc/test_ip.rst
rename to test/doc/test_ip4.rst
index a1e97b8..c3c3a23 100644
--- a/test/doc/test_ip.rst
+++ b/test/doc/test_ip4.rst
@@ -1,7 +1,7 @@
 test_ip module
 ==============
 
-.. automodule:: test_ip
+.. automodule:: test_ip4
     :members:
     :undoc-members:
     :show-inheritance: