* opkg_download: Failed to download https://downloads.openwrt.org/releases/21.02.0/packages/x86_64/packages/samba4-libs_4.14.12-1_x86_64.ipk, wget returned 4.
* opkg_download: Check your network settings and connectivity.
* opkg_install_pkg: Failed to download samba4-libs. Perhaps you need to run 'opkg update'?