KVM guest fails to start with error: Requested operation is not valid: network 'default' is not active

Solution In Progress - Updated 2021-12-13T21:02:54+00:00 -

Issue

After manually creating a virbr0 bridge, the virsh default network is unable to activate as expected.
KVM guests fail to start with error:
'Requested operation is not valid: network 'default' is not active'

Red Hat Enterprise Linux 8

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