Update upstream node management

Worked on Ayyappa comments.

Patch 1: Worked on Mary's comment.

Signed-off-by: egoncalv <elisamaraaoki.goncalves@windriver.com>
Change-Id: I4756336ed00ccb7ed0e199dcad05d221c2c9a8cd

doc/source/node_management/kubernetes/node_interfaces/attaching-ethernet-interfaces-to-networks-using-the-cli.rst

@@ -17,12 +17,12 @@ Ethernet interfaces are created automatically.
 
 #.  List the attached interfaces.
 
-    To list all interfaces, use the :command:`system host-if-list` command
+    For example, to list all the interfaces on the system, use the
-    and include the ``-a`` flag.
+    :command:`system host-if-list` and include the ``-a`` flag:
 
     .. code-block:: none
 
-        ~(keystone_admin)$ system host-if-list -a controller-0
+        ~(keystone_admin)$ system host-if-list -a controller-1
         +-------------+-----------+-----------+----------+------+----------------+-------------+----------------------------+---------------------------+
         | uuid        | name      | class     | type     | vlan | ports          | uses i/f    | used by i/f                | attributes                |
         |             |           |           |          | id   |                |             |                            |                           |
@@ -46,7 +46,7 @@ Ethernet interfaces are created automatically.
         | fcbe3aca-...| sriovvf1  | pci-sriov | vf       | None | []             | [u'sriov0'] | []                         | MTU=1956,max_tx_rate=100  |
         +-------------+-----------+-----------+----------+------+----------------+-------------+----------------------------+---------------------------+
 
-#.  Attach an interface to a network.
+#.  Modify the interface and attach it to a network.
 
     Use a command sequence of the following form:
 
@@ -93,6 +93,15 @@ Ethernet interfaces are created automatically.
     For example, to attach an interface named **enp0s3** to
     the |OAM| network, using Ethernet interface **enp0s3** on **controller-1**:
 
+    #.  Lock the host:
+
+        .. code-block:: none
+
+            ~(keystone_admin)]$ system host-lock controller-1
+
+    #.  To modify the interface enp0s3 class type from ``none`` to ``platform``,
+        execute the following:
+
         .. code-block:: none
 
             ~(keystone_admin)$ system host-if-modify -n enp0s3 -c platform controller-1 enp0s3
@@ -119,4 +128,15 @@ Ethernet interfaces are created automatically.
             | sriov_numvfs      | 0                                     |
             | accelerated       | [u'True']                             |
             +-------------------+---------------------------------------+
-        ~(keystone_admin)$ interface-network-assign controller-1 enp0s3 oam
+
+    #.  To assign enp0s3 interface to |OAM| network, execute the following:
+
+        .. code-block:: none
+
+            ~(keystone_admin)$ system interface-network-assign controller-1 enp0s3 oam
+
+    #.  Unlock the host:
+
+        .. code-block:: none
+
+            ~(keystone_admin)$ system host-unlock controller-1