Enable unikernel runtime log

[Crazykev]

1. enable basic unikernel log, we still need vm wrapper to reformat log from qemu.
2. enable vm ACPI, if not, it will hang at start time.
3. fix domain copy in ListDomains
4. enable basic libvirt bridge network for debug purpose.

/cc @feiskyer @resouer PTAL

[k8s-ci-robot]

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In response to this:

1. enable basic unikernel log, we still need vm wrapper to reformat log from qemu.
2. enable vm ACPI, if not, it will hang at start time.
3. fix domain copy in ListDomains
4. enable basic libvirt bridge network for debug purpose.

/cc @feiskyer @resouer PTAL

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[k8s-reviewable]

This change is