admin@RT-AC66U_B1-AD40:/tmp/home/root# opkg install wireguard-kernel_1.0.20210219-k52_1_aarch64-3.10.ipk
Unknown package 'wireguard-kernel'.
Collected errors:
 * pkg_hash_fetch_best_installation_candidate: Packages for wireguard-kernel found, but incompatible with the architectures configured
 * opkg_install_cmd: Cannot install package wireguard-kernel.

admin@RT-AC66U_B1-AD40:/tmp/home/root# opkg install wireguard-tools_1.0.20210315-1_aarch64-3.10.ipk
Unknown package 'wireguard-tools'.
Collected errors:
 * pkg_hash_fetch_best_installation_candidate: Packages for wireguard-tools found, but incompatible with the architectures configured
 * opkg_install_cmd: Cannot install package wireguard-tools.