The problem is with virtio-mmio.
https://bugzilla.redhat.com/show_bug.cgi?id=1422413
Instances launched with virtio-mmio on aarch64 will not get DHCP (will
not have a nic)
xml with libvirt 2.5.0
<interface type='bridge'>
<mac address='fa:16:3e:af:95:2e'/>
<source bridge='qbrb5abdeb0-a0'/>
<target dev='tapb5abdeb0-a0'/>
<model type='virtio'/>
<alias name='net0'/>
<address type='virtio-mmio'/>
I have updated libvirt-daemon to 3.6.0 on a particular compute node -
when an instance is booted now, the nic section of the virsh xml looks
like this:
<interface type='bridge'>
<mac address='fa:16:3e:10:0e:22'/>
<source bridge='qbr274809a0-dc'/>
<target dev='tap274809a0-dc'/>
<model type='virtio'/>
<alias name='net0'/>
<address type='pci' domain='0x0000' bus='0x01' slot='0x00'
function='0x0'/>
The instance then gets a NIC and is able to get DHCP and complete cloud-
init successfully.
** Bug watch added: Red Hat Bugzilla #1422413
https://bugzilla.redhat.com/show_bug.cgi?id=1422413
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https://bugs.launchpad.net/bugs/1719196
Title:
[arm64 ocata] newly created instances are unable to raise network
interfaces
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