One network was created using one instance of neutron agent / ovs agent and the other was created using another instance at a later stage. Yes that is correct. So as both networks were flat networks thus the tags are same. This is the issue.
One network was created using one instance of neutron agent / ovs agent and the other was created using another instance at a later stage. Yes that is correct. So as both networks were flat networks thus the tags are same. This is the issue.