Problems trying to add a vlan network interface in a RHEV 3.1 environment due to duplicate entries.

Solution Verified - Updated -

Issue

The following errors may occur in the RHEV-M GUI when trying to add an unassigned logical network;

Cannot setup Networks. The following Network Interfaces can have only a single VM Logical Network, or at most one non-VM Logical Network and/or several VLAN Logical Networks: bond0.
Invalid list of interfaces, two or more network interfaces have the same IP.
Cannot setup Networks. The following Network Interfaces were specified more than once: bond0.xxx.

The sequence used to do this was;

  • Host -> Network Interfaces -> Setup Host Networks.
  • Then drag the new interface from 'Unassigned Logical Networks' and drop into 'Assigned Logical Networks'.

Environment

  • Red Hat Enterprise Virtualization 3.1

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