on a droplet, can I create a Ubuntu 20.04 KVM instance with a different order of NIC interfaces?

I have probably a challenge for network engineers and Ubuntu 20.04 DO droplet users. I want to install a Juniper vSRX router image. The native image boot process assumes the first interface used in the VM instance is the “OOB management” out of band management and the 2nd interface used in the VM is the 1st traffice interface. Well, when we start a KVM instance by default, it ‘bridges’ the existing interface in the following order: management interface (should be local access to VPC) gets connected to PUBLIC side, and traffic interface (should be public interface from VPC) gets connect to PRIVATE side. Can I adjust the order of the interfaces presented to a sub-ordinate VM instanace? I am referring to (and having difficulty understanding) the manual of libvirt


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