* Upgrade to def_guard_wireguard v0.8.0
* Update nix, netlink-packet-wireguard
* Adapt linux code for defguard_wireguard
* rustfmt
* Revert nix to 0.27.1
* clippy: fix
* fix from rebase
* Restore userspace imp on condition
* Add send+sync on boxed wgapi
* Use error to indicate when userspace/kernel imps are unavailable; userspace is not available on all platforms
* Remove duplicate import
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Co-authored-by: mfahampshire <maxhampshire@pm.me>
Andrej Mihajlov
b6f234259c