initial changes to convert all commands to be string based for consistency

daemon/tests/emane/test_emane.py

@@ -27,7 +27,7 @@ _DIR = os.path.dirname(os.path.abspath(__file__))
 def ping(from_node, to_node, ip_prefixes, count=3):
     address = ip_prefixes.ip4_address(to_node)
     try:
-        from_node.node_net_cmd(["ping", "-c", str(count), address])
+        from_node.node_net_cmd("ping -c %s %s" % (count, address))
         status = 0
     except CoreCommandError as e:
         status = e.returncode