Hello @stack_shailesh ,
The errors you're encountering indicate that the WireGuard kernel module is missing several dependencies, which are essential for its operation. These dependencies include cryptographic functions and UDP tunnel functions. Here’s some point to look for:
-Ensure Kernel Configuration:
[*] Networking support (NET) -->
Networking options -->
[*] TCP/IP networking (INET)
[*] IP: Foo (IP protocols) over UDP (NET_FOU)
[*] Cryptographic API (CRYPTO) -->
[*] Cryptographic algorithm manager (CRYPTO_MANAGER)
-rebuild the kernel and the module then bake the image again you can also try to add it as a built-in module by following the "Building Directly In Tree" in the link you shared this can be done to ensure that it's baked into the kernel, but it will not be removable.
-Ensure that the required modules are loaded. You can do this manually or add them to your system's module load configuration:
modprobe udp_tunnel
modprobe ip6_udp_tunnel
modprobe chacha20poly1305
modprobe curve25519
modprobe wireguard
-Check if the modules are correctly installed and loaded:
lsmod | grep wireguard
lsmod | grep chacha20poly1305
lsmod | grep curve25519
Now, try to create the WireGuard interface again:
wg-quick up wg0
Regards
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