After add some VLANs to spanning-tree instance, output contains superfluous entries.

[xivamar]

Problem Description:

After add some VLANs to spanning-tree instance, output contains superfluous entries. Please do short view or sort entries in lexicographical order.

OpenSwitch version:

OpenSwitch 0.4.0 (Build: appliance-ops-0.4.0-meraswitch/devel/master-20170126080249-dev)

Test Topology:

This issue may be reproduced on single DUT

Steps to reproduce the problem (see attached file):

1. Configure DUT as in attached file.

2. Check configuration on DUT. - NOK: output contains superfluous entries.

   switch# show running-config 
   .............
   vlan 1
       no shutdown
   vlan 10
       no shutdown
   vlan 11
       no shutdown
   vlan 12
       no shutdown
   vlan 20
       no shutdown
   vlan 21
       no shutdown
   vlan 22
       no shutdown
   spanning-tree
   spanning-tree config-name mst
   spanning-tree config-revision 1
   spanning-tree instance 1 vlan 11
   spanning-tree instance 1 vlan 10
   spanning-tree instance 1 vlan 12
   spanning-tree instance 2 vlan 21
   spanning-tree instance 2 vlan 20
   spanning-tree instance 2 vlan 22
   spanning-tree priority 3
   ...........
   

config.txt