[Bug] `alpine import` causes the imported to fails to start

[pirj]

Describe the bug

$ alpine stop test
2025/08/13 23:27:37 test resumed
2025/08/13 23:27:37 test stopped

$ alpine publish test
2025/08/13 23:27:47 creating archive test.tar.gz...

$ ls
test.tar.gz

$ alpine rm test
2025/08/13 23:28:57 instance test deleted

$ alpine import test.tar.gz

$ alpine ls
NAME         STATUS      SSH      PORTS      ARCH        PID   TAGS
test         Stopped     22       80,443     aarch64     -

$ alpine start test
2025/08/13 23:29:18 booting test
qemu-system-aarch64: -device virtio-net-pci,netdev=net0,mac=: Property 'virtio-net-device.mac' doesn't take value ''
2025/08/13 23:29:18 failed to start test: exit status 1
2025/08/13 23:29:18 error starting instance(s)

[idroz]

Thanks for this - this should be now fixed in #219 and merged into master.