Added documentation in getHosts in mininet

Change-Id: I1f28d1473d189f7577b8f4734892f5beba54a8a4
diff --git a/TestON/drivers/common/cli/emulator/mininetclidriver.py b/TestON/drivers/common/cli/emulator/mininetclidriver.py
index 5e82465..27ce3dc 100644
--- a/TestON/drivers/common/cli/emulator/mininetclidriver.py
+++ b/TestON/drivers/common/cli/emulator/mininetclidriver.py
@@ -1795,7 +1795,10 @@
         """
         # Regex patterns to parse dump output
         # Example host: <Host h1: h1-eth0:10.0.0.1 pid=5227>
-        #            or <Host h1:  pid=12725>
+        #               <Host h1:  pid=12725>
+        #               <VLANHost h12: h12-eth0.100.100.100:100.1.0.3 pid=30186>
+        #               <dualStackHost h19: h19-eth0:10.1.0.9 pid=30200>
+        #               <IPv6Host h18: h18-eth0:10.0.0.18 pid=30198>
         # NOTE: Does not correctly match hosts with multi-links
         #       <Host h2: h2-eth0:10.0.0.2,h2-eth1:10.0.1.2 pid=14386>
         # FIXME: Fix that