lxd/device/nic/bridge: Extend parent network exclusions for duplicate MAC/IP checks
lxd/device/nic/bridge: Extend parent network exclusions for duplicate MAC/IP checks

Takes into account:

 - Managed networks of a different type (e.g ovn) when NIC refers to an unmanaged parent of the same name.
 - Different VLANs.

Signed-off-by: Thomas Parrott <6b778ce645fb0e3dde76d79eccad490955b1ae74@canonical.com>

hallyn/lxd,lxc/lxd,stgraber/lxd,lxc/lxd,atxwebs/lxd,lxc/lxd,hallyn/lxd,stgraber/lxd,atxwebs/lxd,hallyn/lxd,stgraber/lxd,stgraber/lxd,stgraber/lxd,atxwebs/lxd,stgraber/lxd,lxc/lxd,hallyn/lxd,stgraber/lxd,hallyn/lxd,atxwebs/lxd,lxc/lxd,lxc/lxd,lxc/lxd,hallyn/lxd