Need to consider `vlan` in `checkParentUse`

[tomponline]

Please confirm

• I have searched existing issues to check if an issue already exists for the bug I encountered.

Distribution

N/A

Distribution version

N/A

Output of "snap list --all lxd core20 core22 core24 snapd"

N/A

Output of "lxc info" or system info if it fails

N/A

Issue description

438223f

https://chat.canonical.com/canonical/pl/6s9egjafi78ku8uqzg7popnspy

Steps to reproduce

N/A

Information to attach

• Any relevant kernel output (dmesg)
• Instance log (lxc info NAME --show-log)
• Instance configuration (lxc config show NAME --expanded)
• Main daemon log (at /var/log/lxd/lxd.log or /var/snap/lxd/common/lxd/logs/lxd.log)
• Output of the client with --debug
• Output of the daemon with --debug (or use lxc monitor while reproducing the issue)